External filters

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Rough classification of third-party filters for AviSynth - a perpetual work in progress.

This page lists both scripts (see Import) and plugins (see Plugins).

1 Introduction
- 1.1 Download sites
- 1.2 Using filters
2 Source Filters
3 Restoration Filters
4 Denoisers
5 Adjustment Filters
6 Other Filters
7 Audio Filters
8 As Yet Unclassified

Introduction

Download sites

A large list of filters can be downloaded from the following sites:
Be aware that some plugins may be outdated, only recommended as a backup.

A list of 64-bit compiles can be found in the following sites:

Documentation of AviSynth v1.0x/v2.0x plugins (older plugins, not recommended, but some of them may still be in general use).

External plugins (old)

Using filters

Most scripts will apply filters in the following order:

Create an AviSynth clip from a video file.
Correct or remove any unwanted features in the video (e.g. dot crawl, field blending or telecine).
Denoise the video (optional).
Manipulate the video into the desired format (by e.g. changing the size and frame rate).

Source Filters

Filter	Description	Color format	Plugin / Script	Author
BassAudio	Bass Audio decoder. Supports wav, aiff, mp3, mp2, mp1, ogg. Support for aac, ac3, alac, ape, cd, flac, midi, mpc, ofr, spx, tta, wma, wv with additional included dll's. The filter is included in the Behappy package.	N/A	Plugin, x64	dimzon
CMVSource	Load Dwarf Fortress CMV and CCMV movies.	RGB32	Plugin	Robert Martens
DGAVCDecode	AVC/H.264 decoder plug-in.	YV12	Plugin	Donald Graft
DGDecode	Decode MPEG1/MPEG2 streams from: DVD VOBs, captured transport streams, .mpg/.m2v/*.pva files, etc. Use this instead of MPEGDecoder/MPEG2Dec3.	YV12, YUY2, RGB24, I420	Plugin	Donald Graft
DirectShowSource2	Uses the installed Haali Media Splitter along with its avss.dll AviSynth plugin. Converts vfr files to cfr in order to support frame-accurate seeking.		Plugin
DVInfo	Grabs the timestamp and recording date info from a DV-AVI. See discussion.	N/A	Plugin	WarpEnterprises
DVTimeStampEx	Shows DV timestamp information over a DV clip.	N/A	Plugin	basilik
FFmpegSource	Decodes all ffmpeg (libavcodec) supported A/V formats with frame accurate seeking in AVI, MKV and MP4. See discussion.	RGB, YUY2, YV12, I420	Plugin	Myrsloik, TheFluff, Plorkyeran, others
HDVInfo	Grabs the timestamp and recording date info out of a M2T-D2V file	N/A	Plugin	paviko
ImageSequence	Load png, jpg, bmp, pcx, tga and gif image sequences using the Corona Image I/O Library. CoronaSequence/RawSequence.	RGB32	Plugin
Immaavs	ImmaRead uses the ImageMagick libraries to read images. Many formats are supported including animations, multipage files, image sequences and images with different sizes.		Plugin	Wilbert Dijkhof
IUF	Import Uncompressed File. Must be uncompressed! Supported uncompressed Formats: avi, omf(avid), pxr(pixar), mov(24/32bit quicktime), cineon. Can export as well. See discussion.	RGB	Plugin
JpegSource	An advanced JPEG decoder for Avisynth 2.6. See discussion.	YV12, YV16, YV24, YV411	Plugin	SEt
LSMASHSource	A source plugin for audio and video, it uses Libav (libavcodec) to decode all supported A/V formats. See discussion.	RGB24, RGB32, YUY2, Y8, YV12, YV16, YV24, YV411	Plugin	VFR-maniac
MPASource	A mp1/mp2/mp3 audio decoder plugin. See discussion	N/A	Plugin	WarpEnterprises
MPEGDecoder	Load VOB/MPEG-2 ES,PS,TS/MPEG-1 files directly. (deprecated)	YV12	Plugin
MPEG2Dec	Mpeg2dec is a plugin which lets AviSynth import MPEG2 files. (deprecated)	RGB, YUY2	Plugin	Dividee and others
MPEG2Dec3	A MPEG2Dec2.dll modification with deblocking and deringing. Note that the colorspace information of dvd2avi is ignored when using mpeg2dec. See discussion. (deprecated)	RGB, YUY2, YV12	Plugin	Marc FD, Nic, Tom Barry, sh0dan and others
NicAudio	Audio Plugins for Audio: MPEGAudio/AC3/DTS/LPCM and other uncompressed formats. Formerly known As EvilMPASource. See discussion.	N/A	Plugin	Nic
OmfSource	Opens the AVID OMF file format (video only, and only works with captured files). See discussion.	YUY2, YV12	Plugin	tateu
QTSource	Quicktime Import/Export Filter using an existing installation of Quicktime 6/7. See discussion.	RGB32, RGB24, YUY2	Plugin	tateu
R3DSource	Redcode RAW source plugin to load R3D clips. See discussion.	RGB32	Plugin	Gábor Kertai
RawSource	Loads raw video data directly from files. See the initial discussion and its continuation.	RGB, YUY2, YV12	Plugin Updated with NV12 Support	WarpEnterprises, Wilbert Dijkhof and sh0dan
RawSourceMod	Loads raw video data directly from files. Further modifications (most raw formats, YUV4MPEG2 compatible with latest spec) discussion.	RGB, YUY2, YV12 (for 2.5/2.6), YV24, YV16, YV411, Y8 (for 2.6)	2.5 plugin 2.6 plugin msvcr100.dll	Chikuzen
Sashimi (function "RawReader")	Loads raw video data directly from files, similarly to RawSource, but also allows for skipping headers, and extra formats (long list to help anyone doing a search): GREY, Y8, interleaved RGB, BGR (which is RGB24), BGRA (which is RGB32), ARBG, ABGR, RGBA, interleaved YUV (which is YCbCr), YUY2, UYVY, AYUV, planar YUV formats YUV444, YUV422, YUV420 (as YV12), YUV420 (as IMC2), and some raw ImageMagick formats. Some supports for different bit-depths. Includes YUVInterleaved.avsi, InterleavedConversions.avsi, and PlanarConversions.avsi. Discussion.	RGB, YUY2, and YV12.	Plugin with scripts	PitifulInsect
VapourSource	VapourSynth script reader for AviSynth2.6x. Discussion.	RGB24, RGB32, YUY2, Y8, YV12, YV16, YV24.	Plugin	Chikuzen
VideoInputSource	Capture video frames from video capture card or webcam in real-time.	RGB24	Plugin	fieliapm

Restoration Filters

These remove effects or artefacts introduced (deliberately or accidentally) into the source video. Denoisers are classified separately.

Anti-aliasing

Filter	Description	Color format	Plugin / Script	Author
AAA	Anti-aliasing filter designed for anime. See discussion.	YV12	Script	Soulhunter
AntiAliasing	Anti-aliasing script for, well, anti-aliasing. See discussion.	YV12	Script	SpikeSpiegel, Didée, mf, scharfis_brain and Soulhunter
AntiAliasRG	An anti-aliasing script that uses RemoveGrain(SSE3).dll. See discussion.	YV12	Script	Bloax
DAA	Anti-aliasing with contra-sharpening. Included in AnimeIVTC.	YV12	Script	Didée
mcDAA3	Motion-Compensated Anti-aliasing with contra-sharpening by AmjadSONY, can deal with ifade too, created because when applied daa3 to fixed scenes, it could damage some details and other issues. See discussion	YV12	Script	AmjadSONY
FAA	Faster Anti-aliasing. See [1].	YV12	Script	list
MAA	Anti-aliasing with edge masking. Included in AnimeIVTC.	YV12	Script	martino, Kintaro, thetoof
MAA2	Updated version of the MAA antialising script from AnimeIVTC.	Y8, YV12, YV24	Script	line0
SAA	A simple anti-aliasing script. See discussion.	YV12	Script	Soulhunter
santiag	Simple anti-aliasing with independent horizontal and vertical anti-aliasing strength.	YV12	Script	cretindesalpes
SharpAAMCmod	High quality MoComped AntiAliasing script, also a line darkener since it uses edge masking to apply tweakable warp sharpening, "normal" sharpening and line darkening with optional temporal stabilization of these edges. Part of AnimeIVTC. See [2] and [3]	YV12	Script	thetoof
TIsophote	A level-set (isophote) smoothing filter, see [4]	YV12	Plugin	tritical

Chroma correction

Filter	Description	Color format	Plugin / Script	Author
BT709ToBT601	Convert from BT.709 (HDTV) to BT.601 (SDTV) colorimetry.	YV12	Plugin	Tom Barry
caf	Chromatic Aberration Fixer.	YV12	Script	Torchlight
ChromaShift	This filter will shift the chrominance information by an even number of pixels, in either horizontal direction. It can also apply an overall vertical shift of the total chrominance information, up or down. It is primarily intended to correct improper colour registration. See discussion.	YV12, YUY2, RGB	Plugin	Simon Walters
ChromaShiftSP	This script can shift chroma in all directions with subpixel accuracy.		Script
ColorMatrix	ColorMatrix corrects the colors of MPEG-2 streams. More correctly, many MPEG-2 streams use slightly different coefficients (called Rec.709) for storing the color information than AviSynth's color conversion routines or the XviD/DivX decoders (called Rec.601) do, with the result that DivX/XviD clips or MPEG-2 clips encoded by TMPGEnc/QuEnc are displayed with slighty off colors. This can be checked by opening the MPEG-2 stream directly in VDubMod. See discussion.	YV12, YUY2	Plugin	Wilbert Dijkhof tritical (v2.0+)
FixChromaBleeding	Fixes area of chroma bleeding by shifting the chroma and lowering the saturation in the affected areas.	YV12	Script	Alex Jordan
FixChromaBleedingMod	Fixes area of chroma bleeding by shifting the chroma and lowering the saturation in the affected areas. archived link	YV12	Script	AmjadSONY
FixChromaticAberration	FixChromaticAberration resizes (and crops) the red/green/blue channels of the image separately. This helps to minimize the colored edges next to the image corners that result from lenses with chromatic aberration. See discussion.	RGB24	Script	Martin Wagener
MoveChroma	MoveChroma is a simple filter combination that helps in moving chroma back, if it has been displaced.		Script
ReInterpolate411	This is a fast simple filter to correct the improper 4:1:1 => 4:2:2 conversion that seems to occur with some DV/4:1:1 codes when used with Avisynth. It assumes the odd chroma pixels are duplicates and discards them replacing them with the average of the two horizontally adjacent even chroma pixels. It doesn't matter whether the clip is interlaced though it must be in YUY2 format for Avisynth 2.5. There are no parameters, and currently no readme file.	YUY2	Plugin	Tom Barry
ReInterpolate420	Usually, DV decoders upsample PAL DV (which is YV12) to YUY2 using point sampling. This plugin reinterpolates the original chroma samples.	YUY2	Plugin	Wilbert Dijkhof Fizick (v3)

Debanding

Filter	Description	Color format	Plugin / Script	Author
AdaptDBMC	Luma / Fade / Blue adaptive debanding script.	YV12	Script	06_taro
GradFun2db	A simple and fast debanding filter. See Wikipedia: Color Banding	YV12	Plugin	Prunedtree
GradFunkMirror	Script that fixes GradFun2DB's bug that leaves the first 16 pixels on every border unprocessed. Needs GradFun2DB !	YV12, YUY2, RGB24, RGB32	Script	Alain2, MugFunky
GradFun2DBmod	An advanced debanding script based on GradFun2DB.	YV12	Script	LaTo
GradFun3	This debanding script, part of the Dither package, has several gradient smoothing algorithms, including a bilateral filter. It uses an ordered dithering, which has a good resilience to lossy compression.	YV12, YV16, YV24, Y8, YV411	Script	cretindesalpes
flash3kyuu_deband	Fast debanding plugin ported from AviUtl.	YV12, YUY2, YV16, YV24, Y8, YV411	Plugin	SAPikachu
LumaDB	Fast debanding filter with luma-adaptive grain and mask. Used to process luma only. See discussion.	YV12	Script	06_taro
LumaDBL	Fast debanding filter with luma-adaptive grain and mask. Used to process luma only. Works in 16-bit internally and can also input/output 16-bit. See discussion.	YV12	Script	06_taro

Deblocking

Filter	Description	Color format	Plugin / Script	Author
BlockKiller	Deblocking filter, see discussion.	YV12, YUY2	Script	Jawed
BlockTerminator	Deblocking filter, see discussion.	YV12, YUY2	Script	foxyshadis
DeBlock	Deblocking filter, see discussion, also DGDecode uses DeBlock.	YV12, YUY2	Plugin	Fizick / Manao
Deblock_QED	"A postprocessed Deblock(): Uses full frequencies of Deblock's changes on block borders, but DCT-lowpassed changes on block interiours." Didée. See discussion. For updated Deblock QED see this discussion	YV12	Script	Didée
FunkyDeBlock	Deblocking script based on BlindPP and high/low pass separation. See discussion.	YV12	Script	Mug Funky
MDeblock	Plugin for removing block artifacts, see homepage.	YV12	Plugin	Kassandro
SmoothD	Filter to deblock frames while keeping high frequency detail. See discussion.	YV12	Plugin	Tobias Bergmann
SmoothD2	Deblocking filter. Rewrite of SmoothD. Faster, better detail preservation, optional chroma deblocking. See discussion.	YV12	Plugin	Jim Conklin
SmoothDeblock3	Slow and complex, but produces very good results - especially on severely blocky sources - in a similar manner to TempGaussMC and QTGMC. See discussion and an overall comment.	YV12	Script	redfordxx

Dehaloing

Filter	Description	Color format	Plugin / Script	Author
abcxyz	Filter to remove halos. See discussion.	YV12	Script	Didée
BlindDeHalo3	Filter to remove edge enhancement artefacts. See discussion.	YV12	Script	Didée
DeHalo_alpha	Very powerful filter to remove edge enhancement artefacts. See discussion.	YV12	Script	Didée
DeHaloHmod	Another halo reducer, it includes lots of options to tweak for best performance. See discussion	YV12	Script	AmjadSONY
Mask_DHA	A combination of the best of DeHalo_alpha and BlindDeHalo3, plus a few minor tweaks to the masking. See discussion.	YV12	Script	'Orum
YAHR	Basic filter with no variables to remove edge enhancement artefacts. See [5]	YV12	Script	Didée
YAHRmod	Basic filter used to reduce halos in modern DVD and other cases.	YV12	Script	AmjadSONY

Deringing & Mosquito Noise

Filter	Description	Color format	Plugin / Script	Author
aWarpSharpDering	Tries to clean up slight ringing around edges by heavily AWarpSharp-ing the image and then applying it only to the areas where the difference is small enough so detail isn't destroyed.	YV12	Script	Leak
BlindDeRing	Deringing filter.	YV12	Plugin	krieger2005
EdgeCleaner	A simple edge cleaning and weak dehaloing function. See discussion.	YV12	Script	canuckerfan
HQDering	Applies deringing by using a smart smoother near edges (where ringing occurs) only. See here and here for details.	YV12	Script	mf
HQDering mod	Applies deringing by using a smart smoother near edges (where ringing occurs) only.	YV12	Script	mawen1250
LazyDering	Tries to clean up slight ringing around edges by applying aWarpSharp2 only to areas where the difference is small enough so detail isn't destroyed.	YV12	Script	Leak, RazorbladeByte
MosquitoNR	A noise reduction filter designed for mosquito noise, which is often caused by lossy compression.	Y8, YV411, YV12, YV16, YV24, YUY2	Plugin	b_inary
ungibbs	ungibbs, a gibbs artifact remover.	YV12	Script	*.mp4 guy
WarpDeRing	Uses aWarpSharp2's flattening to clean out ringing/smaller halos, then runs some masks to preserve the edges and avoid the thinning.	YV12	Script	mirkosp
WarpDeRing_faster	Same as WarpDeRing but may be a bit faster.	YV12	Script	mirkosp

Deinterlacing

Filter	Description	Color format	Plugin / Script	Author
Area	A port of Gunnar Thalin's VirtualDub filter "Deinterlace - area based" to AviSynth.	RGB32	Plugin	Donald Graft // Gunnar Thalin
BlendBob	Filter designed for use after a smart bob; blends every other frame with the closest matching neighbouring frame. See discussion.	YV12	Plugin	Kurt Prünner
DGBob	This filter splits each field of the source into its own frame and then adaptively creates the missing lines either by interpolating the current field or by using the previous field's data. See discussion.	RGB, YV12, YUY2	Plugin	Donald Graft
Decomb	The FieldDeinterlace filter provides functionality similar to the postprocessing function of Telecide. You can use it for pure interlaced streams (that is, those not containing telecined progressive frames). The name refers to the fact that field mode differencing is used.	YV12, YUY2	Plugin	Donald Graft
GreedyHMA	GreedyHMA is an Avisynth filter that executes DScaler's Greedy/HM algorithm code to perform pulldown matching, filtering, and video deinterlace. It has pretty much been superceded by Donald Graft's Decomb package. However there may be occasions where it sometimes gives preferable results, especially with some bad PAL clips.	YUY2	Plugin	Tom Barry
EEDI2	EEDI2 resizes an image by 2x in the vertical direction by copying the existing image to 2*y(n) and interpolating the missing field. It is intended for edge-directed interpolation for deinterlacing (i.e. not really made for resizing a normal image, but can do that as well).	RGB24, YUY2, YV12	Plugin	tritical
EEDI3	Another edge directed interpolation filter. Works by minimizing a cost functional involving every pixel in a scan line. eedi3 is good for deinterlacing and enlarging images by the powers of 2.	RGB24, YUY2, YV12	Plugin	tritical
IBob	Interpolating Bob works identically to the Avisynth built-in Bob filter except that it uses linear interpolation instead of bicubic resizing. See discussion.	YV12, YUY2	Plugin	Kevin Atkinson
KernelDeint	This filter deinterlaces using a kernel approach. It gives greatly improved vertical resolution in deinterlaced areas compared to simple field discarding. Superceded by LeakKernelDeint, see the description below in this table.	RGB, YV12, YUY2	Plugin	Donald Graft
LeakKernelBob	This filter does a full framerate deinterlacing, i.e. it turn 50 fields per second into 50 frames per second. Adapted from Scharfis_brain's script of the same name.	RGB32, YV12, YUY2	Plugin	Kurt Prünner
LeakKernelDeint	This filter deinterlaces using a kernel approach. It gives greatly improved vertical resolution in deinterlaced areas compared to simple field discarding. Compared to KernelDeint, it is low-level optimized (for speed) and provides some useful new functionality. As the original author of KernelDeint() states, LeakKernelDeint() is the preferred version to use.	RGB32, YV12, YUY2	Plugin	Kurt Prünner
MCBob	Another approach to motion compensated bobbing. No residual combing, Motion Masking adaptive to local complexity, self adaptive error correction for temporal interpolation, Motion Search between fields of same parity, and spatial Interpolation overweights spatio-temporal interpolation. Is SLOW. MCBob + EEDI2 [6] MCBob + NNEDI [7]		Script	Didée
MVBob	by scharfis_brain [8]		Script	scharfis_brain
nnedi3	nnedi3 is an intra-field only deinterlacer. It takes in a frame, throws away one field, and then interpolates the missing pixels using only information from the kept field. It also has same rate and double rate modes.	RGB24, YUY2, YV12	Plugin	tritical
nnedi3ocl	OpenCL rewrite of nnedi3. See discussion.	Y8, YV12, YV16, YV24, YV411	Plugin	SEt
QTGMC	by -Vit- [9] A new deinterlacer based on TempGaussMC_beta2. It's faster and has a presets system for speed/quality selection. There are also several new features including progressive support and noise/grain processing. The script also contains extensive comments to better describe the settings and the workings of the TGMC algorithm.		Script	-Vit-
SangNom	A single field deinterlacer, can also be used for anti-aliasing. See discussion.	YV12	Plugin	Marc FD
SangNom2	Reimplementation of the old SangNom plugin. See discussion.	Y8,YV12, YV16, YV24, YV411	Plugin	tp7
Securebob	type=2 or type=3. (part of MVbob) [10]		Script	scharfis_brain
SecureDeint	(part of MVbob) [11]		Script (?)	scharfis_brain
SmoothDeinterlace	by Gunnar Thalin [12]		Plugin	Gunnar Thalin
TDeint	TDeint is a bi-directionally, motion adaptive (sharp) deinterlacer. It can also adaptively choose between using per-field and per-pixel motion adaptivity. It can use cubic interpolation, kernel interpolation (with temporal direction switching), or one of two forms of modified ELA interpolation which help to reduce "jaggy" edges in moving areas where interpolation must be used. TDeint also supports user overrides through an input file, and can act as a smart bobber or same frame rate deinterlacer, as well as an IVTC post-processor. See discussion.	YUY2, YV12	Plugin	tritical
Telecide Hints	The filter process the stats file to get the usual progressive matches and identify VFR sections.		Plugin
TempGaussMC	Motion-compensated bob deinterlacer, based on temporal gaussian blurring. reduces noise/grain of the source and does NOT leave the original fields unchanged. Output is rich with details and very stable. Is SLOW	YUY2, YV12	Script	Didée
TomsMoComp	This filter uses motion compensation and adaptive processing to deinterlace video source (not for NTSC film). See discussion.	YUY2, YV12	Plugin	Tom Barry
Yadif	Port of YADIF (Yet Another DeInterlacing Filter) from MPlayer by Michael Niedermayer (http://www.mplayerhq.hu). It check pixels of previous, current and next frames to re-create the missed field by some local adaptive method (edge-directed interpolation) and uses spatial check to prevent most artifacts.	YUY2, YV12	Plugin	Fizick
yadifmod	Modified version of Fizick's avisynth filter port of yadif from mplayer. This version doesn't internally generate spatial predictions, but takes them from an external clip. It also is not an Avisynth_C plugin (just a normal one).	YUY2, YV12	Plugin	tritical
TomsBob	We've asked Tom to include a proper 60fps deinterlacer in his wonderful TomsMoComp, but until then you'll have to make do with TomsBob.		Script

Fieldblending and Frameblending removal

Filter	Description	Color format	Plugin / Script	Author
c_deblend superseded by srestore	Cdeblend is a simple blend replacing function like unblend or removeblend.		Script	MOmonster
Deblend	See discussion.		Script	actionman133
ExBlend	ExBlend is a plugin to repair damage caused by blend deinterlacing of telecined clips, which results in a double blend, every five frames, GGGBBGGGBBGGGBB etc where 'G' is good and 'B' is blend. See discussion	YV12, YUY2	Plugin	StainlessS
mrestore superseded by srestore	Uses conditional frame evaluation to undo standard conversions with blends.	YV12	Script	MOmonster
RemoveBlend	This filter is used to remove blended fields/frames. See discussion.	YV12	Plugin	violao
Restore24	Restore24 is an AviSynth filter that is able to do the nearly impossible: Restore 24fps FILM out of a fieldblended FILM -> Telecine -> NTSC -> Blendconversion -> PAL - Video. See discussion.		Script	scharfis_brain
RestoreFPS	RestoreFPS reverses the kind of blending generated by ConvertFPS, restoring original framerate. It will work perfectly well on any regular blend pattern.	YV12	Plugin	mg262
Specials	Helps restore video with blended fields/frames using a reference source. See discussion	YV12	Plugin	wonkey_monkey
Unblend	Unblend is based on warpenterprise's deblend algorithm and neuron2's decimate code, with YV12 support only. The aim is the same of deblend. See discussion.	YV12	Plugin	Bach
FixBlendIVTC superseded by srestore	A blend replacing/frame restoring function for doubleblends caused by blend-deinterlacing of telecined sources.	?	Script	MOmonster
Cdeint	Restores 24fps FILM out of a fieldblended FILM -> Telecine -> NTSC -> Blendconversion -> PAL - Video (alternative for Restore24).		Script

Film Damage correction

Filter	Description	Color format	Plugin / Script	Author
DeScratch	DeScratch removes vertical scratches from films. Also it can be used for removing of horizontal noise lines such as drop-outs from analog VHS captures (after image rotation).	YV12	Plugin	Fizick
DeSpot	This filter is designed to remove temporal noise in the form of dots (spots) and streaks found in some videos. The filter is also useful for restoration (cleaning) of old telecined 8mm (and other) films from spots (from dust) and some stripes (scratches).	YV12	Plugin	Fizick
deVCR	deVCR elliminates (to a certain degree) the annoying horizontal lines that keep crawling around your VHS or Beta recorded video. See discussion here and here.		Script	Ricardo Garcia
Film_Restoring_Frame_Blending			Script	videoFred
Film_Restoring_Frame_Interpolation			Script	videoFred
RemoveDirt	RemoveDirt is a temporal cleaner for Avisynth 2.5x. It has now become an AVS script function, which involves RestoreMotionBlocks and various filters from the RemoveGrain package.	YV12, YUY2	Plugin	Kassandro
UnDot	UnDot is a simple median filter for removing dots, that is stray orphan pixels and mosquito noise. It clips each pixel value to stay within min and max of its eight surrounding neigbors. See discussion.	YUY2, YV12	Plugin	Tom Barry

Frequency Interference removal

Filter	Description	Color format	Plugin / Script	Author
DeFreq	Defreq uses Fast Fourier Transform method for frequency selecting an removing. See discussion.	YV12, YUY2	Plugin	Fizick
FanFilter	Regular vertical frequency interference is filtered in spatial domain.	YV12, YUY2, RGB32, RGB24	Plugin	V. C. Mohan

IVTC & Decimation

Filter	Description	Color format	Plugin / Script	Author
AnimeIVTC	What it does: High quality adaptative field matching for hard telecine Bob, remove the blends and decimate back to the desired framerate for DHT/field-blended Creating a VFR clip for hybrid sources Bob the interlaced credits, blend-deinterlacing the background while doing minimal damage on the progressive credits, convert their framerate to match the episode's and splice them with it OR leave them @ 30p to create a VFR clip Very good combing removal and anti-aliasing functions See [13] and See [14] for mod ver.		Script	thetoof
BruteIVTC			Plugin	Marc FD
DOCI	Destruction of Chroma Interlacing fixes a problem where you captured pulleddown video in YV12. In the combed frames, the chroma from two frames has been blended, leading to a ghosting effect when IVTC'd. This filter reconstructs the chroma exactly and fixes the problem.		Script	jmac698
FDecimate	The FDecimate() filter provides extended decimation capabilities not available from Decimate(). It can remove frames from a clip to achieve the desired frame rate, while retaining audio/video synchronization. It preferentially removes duplicate frames where possible. ("FDecimate" stands for "Free Decimate", which implies that the output frame rate may be freely chosen, and is not limited to 1-in-N decimation).	YUY2, YV12	Plugin	Donald Graft
GreedyHMA	GreedyHMA is an Avisynth filter that executes DScaler's Greedy/HM algorithm code to perform pulldown matching, filtering, and video deinterlace. It has pretty much been superseded by Donald Graft's DeComb package. However there may be occasions where it sometimes gives preferable results, especially with some bad PAL clips.	YUY2	Plugin	Tom Barry
IT	Inverse Telecine	YUY2, YV12	Plugin	thejam79 / minamina
ivtc_txt60mc	Deinterlaces telecined footage with that has been overlayed scrolling text at 60i.		Script	cretindesalpes aka Firesledge
MultiDecimate	Removes N out of every M frames, taking the frames most similar to their predecessors. See discussion.	YUY2	Plugin	Donald Graft
PFR	PFR (Progressive Frame Restorer) is an Avisynth filter that attempts to produce progressive frames from a mixed progressive/interlaced/IVTCed source.	YUY2	Plugin	Simon Walters, [15]
ReMatch	ReMatch is a field matching plugin, specifically for anime.	YV12	Plugin	Dan Donovan
RePal			Plugin	Bach
SmartDecimate	Smart Decimate removes telecine by combining telecine fields and decimating at the same time, which is different from the traditional approach of matching telecine frames and then removing duplicates. See discussion.	YUY2, YV12	Plugin	Kevin Atkinson
Decomb	The Telecide and Decimate filters can be combined to implement IVTC.	YUY2, YV12	Plugin	Donald Graft
TIVTC	A package containing these 7 filters: TFM, TDecimate, MergeHints, FrameDiff, FieldDiff, ShowCombedTIVTC, and RequestLinear. Also contains these 3 conditional functions: IsCombedTIVTC, CFieldDiff, and CFrameDiff. Designed primarily for IVTC operations. Discussion	YUY2, YV12	Plugin	tritical
TPRIVTC			Plugin	daxab, Kurosu
UnComb	Filter for matching up even and odd fields of properly telecined NTSC or PAL film source video. See discussion.	YV12	Plugin	Tom Barry
IvtcBlend	Waka demonstrated an IvtcBlend function that uses the information in the "extra" fields of a telecined source to help combat temporal noise.		Script

Ghost Removal

Filter	Description	Color format	Plugin / Script	Author
FixVHSOversharp	FixVHSOversharp attempts to repair the light and dark halos that follow high contrast edges found in VHS sources. See discussion.	YV12	Plugin	MrTibs
GhostBuster	Ghostbuster is an Avisynth filter for removing "ghosts" from a clip. A ghost in this context is a faint copy of the picture offset horizontally. It works by either subtracting or adding the image from itself at the specified offset. With some tweaking the result, while not perfect, can be very pleasing. See discussion here and here.	YUY2	Plugin	SansGrip
LGhost	Plugin intended for ghost removal but can also reduce edge (ringing) artifacts. See discussion.	YV12, YUY2	Plugin	minamina

Logo Removal

Filter	Description	Plugin / Script	Author
DeKafka	This fairly simple filter washes away those annoying bugs from broadcast clips.	Script
DeLogo	DeLogo Filter for VirtualDub. Removes static elements, e.g. logos or watermarks, from the video stream. It can remove either opaque elements or alpha blended, the latter even without destroying the picture beneath.	Plugin & Script	Karel Suhajda
InpaintFunc	Script for logo removal using inpainting. Can remove alpha blended or opaque logos with a basic postprocessing to hide artifacts.	Script	Reuf Toc
rm_logo	Combination of deblending and inpainting to remove logos with adjustable postprocessing to further hide artifacts. See [16]	Script	Spuds
X-Logo	X-Logo Avisynth plugin and Virtualdub filter. Removes opaque logos.	Plugin	Leuf

Luma Equalization

Filter	Description	Color format	Plugin / Script	Author
Antiflicker	"A quick-and-dirty port of my VirtualDub filter (which sucks, by the way; it was one of my first filters)." See discussion.	YUY2	Plugin	Donald Graft
DeFlicker	Can remove old film intensity flicker by temporal mean luma smoothing. Can also correct blinding of automatic gain control after flashes.	YV12, YUY2	Plugin	Fizick (Alexander G. Balakhnin)
Dumb Deflicker	Gathers average luma of frames, smoothens that with temporalsoften, and applies the obtained difference to the original input. It is pretty simple, read "dumb". See discussion	YV12	Script	Didée
EquLines	Equalizes total luminosity in pairs of even and odd lines. Useful for removing inter-line differences from telecined films.	YV12, YUY2	Plugin	Fizick
LMFlicker	LMFlicker is intended to reduce flickering in some film/vhs transfers. FieldFade is a similar concept, but applied on a per-field basis, to reduce combing in a video where fades were applied after telecine.	YV12	Plugin	Loren Merritt
Local Deflicker	Deflickers only part of a frame. See discussion.	YV12	Script	prokhozhijj
ReduceFlicker	Reduces temporal oscillations in clips; should be applied before deinterlacing. Contains ReduceFlicker, ReduceFluctuations, and LockClense. See discussion.	YV12, YUY2	Plugin	Kassandro
TimeLapseDF	Designed to remove luminosity flicker in time lapse photography. Unlike most other flicker removal filters, utilizes cumulative distribution function in addition to average frame luminosity. See discussion.	YV12, YUY2	32-Bit Plugin 64-Bit Plugin	Denis Zhitenev
Vinverse	A simple but effective plugin to remove residual combing.	Y8, YV12, YV16, YV24, YV411	Plugin	Didée, tritical, tp7
wdeflicker	Modifies luma of a source clip by refering to a temporally super-smoothed clip. Heights of source and reference clips must match.	YV12, YUY2	Plugin	Osmiridium

Rainbow & Dot Crawl Removal

Filter	Description	Color format	Plugin / Script	Author
Bifrost	Bifrost uses temporal blending to remove or at least reduce the effect of rainbows.	YV12	Plugin	Myrsloik, dubhater
CC	Dot crawl and rainbow removal.	YV12, YUY2	Plugin	chiyo-clone
Checkmate	Spatial-temporal dot crawl removal.	YV12	Plugin	mf / prunedtree
ChubbyRain	Spatial-temporal rainbow reducing script.	YV12	Script	Mug Funky
ChubbyRain2	Spatial-temporal rainbow reducing script based on ChubbyRain.	YV12	Script	Lothar
DeCrawl	Spatial and temporal dot crawl removal, particularly for animated material.	YV12	Plugin	Dan Donovan
DeCross	Cross Color Reduction. Also known as rainbows.	YV12, YUY2	Plugin	minamina
DeDot	Removes dot crawl and may also be useful for rainbows.	YV12, YUY2	Plugin	thejam79 / minamina
DeRainbow	A simple script to reduce rainbows. See discussion.	YV12, YUY2	Script	sh0dan
DFMDeRainbow	Creates mask to process only edges; rainbows are removed by hitting chroma planes with two passes of FluxSmooth (hence "Double-Flux-Mask").	YV12	Script	Scintilla
GuavaComb	Removes dot crawl, rainbows, and some kinds of shimmering. See discussion	YUY2	Plugin	Lindsey Dubb
LUTDeCrawl	Purely spatial; only targets pixels for dot crawl removal if luma is fluctuating and (optionally) chroma is not.	YV12	Script	Scintilla
LUTDeRainbow	Purely spatial; only targets pixels for derainbowing if chroma is fluctuating and (optionally) luma is not.	YV12	Script	Scintilla
mfRainbow	Derainbows in areas of high Y, U and V frequencies, which fluctuate heavily.	YV12	Script	mf
Rainbow_Smooth	A small spatial derainbow function. It uses SmoothUV to smooth out chroma and edge masking to prevent color bleeding.	YV12	Script	MOmonster
SmartSSIQ	SSIQ can alter the color on the entire picture. So this script first applies SSIQ to the entire picture. Then it locates the edges. Finally, it layers ONLY the de-rainbowed edges onto the original video.	YV12	Script	LB
SSIQ	Rainbow remover. A port of the VirtualDub plugin Smart Smoother IQ.	YV12, YUY2, RGB32	Plugin	Myrsloik
TComb	A temporal comb filter (it reduces cross-luminance (rainbowing) and cross-chrominance (dot crawl) artifacts in static areas of the picture).	YV12, YUY2	Plugin	tritical
YARK	Yet Another Rainbow Killer. Based on mfRainbow v0.31, chubbyrain2, and various other scripts shown here.	YV12	Script	jase99

Stabilization

Filter	Description	Color format	Plugin / Script	Author
DePan	Tools for estimation and compensation of global motion (pan) .See [17]	YUY2, YV12	Plugin	Fizick
Deshaker3D	Experimental 3D image stabiliser (VDub Deshaker required).	RGB32	Plugin	wonkey_monkey
Stab	Simple but powerful script to remove small high frequency jitter that appears often on old/bad transfers. See [18]	YV12	Script	g-force
TBC	Stabilizes horizontal jitter in video from analog VCRs, similar to the function of a Time Base Corrector.(note: will cause SEt's Avisynth 2.6 MT to stop working)	YV12	Script	halifaxgeorge
CelStabilize	Script which holds a fixed background steady. Doesn't work well with pans or fades.	YV12	Script	mg262

Denoisers

Strength/Quality of Denoisers

(need subclassification)

Filter	Description	Color format	Plugin / Script	Author
AdaptiveMedian	This is an adaptive Median Filter for eliminating certain types of noise. It uses local statistics (minimum, maximum and median values) of a moving local grid, and changes grid size depending on local statistics.	RGB24, RGB32, YUY2, YV12	Plugin	V. C. Mohan
Atc	Alternate Temporal Cleaner; a fast temporal cleaner with some cool stuff.	YV12	Plugin	Marc FD
ColourizeSmooth	ColourizeSmooth uses a general colourizing algorithm to smooth a given clip. ColourizeSmooth is based on this algorithm. See discussion	YUY2, YV12	Plugin	insanedesio
ConditionalTemporalMedian	This filter is designed to remove temporal noise in the form of small dots and streaks found in some videos. A common cause of this is dirty VHS heads but I have also seen small black or white streaks in broadcast material.	YV12	Plugin	Kevin Atkinson
DeNoise	This is an adaptive local noise reduction filter. It uses global variance of the noise, local mean and local variance in a moving grid of specified size. It tries to preserve edges as closely as possible. The global variance value can be specified or it can be computed from a window. The global variance can have one value for the entire clip or can vary frame to frame linearly or computed from a window with its coordinates linearly moving with frame numbers.	RGB24, RGB32, YUY2, YV12	Plugin	V. C. Mohan
DNR2	Dynamic Noise Reduction 2 is based on the VirtualDub DNR filter by Steve Don and Avery Lee.	RGB32, YUY2, YV12	Plugin	kiraru2002
ExtendedBilateral	ExtendedBilateral extends the regular bilateral filtering process by adding an "initial estimation preprocess." It is similar in operation to TBilateral and offers many of the same options (though not all) while adding the preprocess. See discussion.	YUY2, YV12	Plugin	insanedesio
PixieDustPP	Deprecated! DO NOT USE! Requires 'Dust' an Avisynth 2.0 plugin. [Move to deprecated section]	YV12	Script	Didée
SmartSmoother	Deprecated; AviSynth 2.0 plugin port of the VirtualDub SmartSmoother filter.	YUY2	Plugin	Hans-Martin Kreuz
SmootherHiQ	VirtualDub's Smart Smoother High Quality for AviSynth, see archived documentation.	YV12	Plugin	sh0dan
TNLMeans	TNLMeans is an implementation of the NL-means denoising algorithm. See discussion.	YV12, YUY2	Plugin	tritical
UberSmooth (Bloated)	Outdated; not recommended.	YV12	Script	Soulhunter
UberSmooth (DCTFun)	Outdated; not recommended.	YV12	Script	Soulhunter
UberSmooth (Deen)	Outdated; not recommended.	YV12	Script	Soulhunter

Spatial Denoisers

Filter	Description	Color format	Plugin / Script	Author
_2DCleanYUY2	Averages pixels in a configurable radius around a source pixel that are within a configurable threshold of the central pixel. A port of the VirtualDub plugin 2D Cleaner.	YV12, YUY2	Plugin	kiraru2002, xeon533
DctFilter	An experimental filter that operates on DCT coefficients.	YV12, YUY2	Plugin	Tom Barry
DCTFun	A fast spatial denoiser that does a hard thresholding of a complete 4x4 ICT transform.	YV12	Plugin	Prunedtree
eDeen	eDeen is a ultra powerfull spatial denoiser for very experienced encoders only.	YV12	Plugin	Marc FD
frfun3b	Fractal denoising. See discussion	YV12	Plugin	prunedtree
frfun3d	Fractal denoising; frfun3d is a quality optimized frfun3b. See discussion	YV12	Plugin	prunedtree
frfun7	Fractal denoising. See discussion	YV12	Plugin	prunedtree
GPUBilateral	In short, bilateral filter is a edge-preserving smooth filter. See discussion.	RGB32	Plugin	Sompon Virojanadara
Kuwahara	This filter is an edge preserving spatial noise reduction filter. It applies spatial smoothing while preserving the edges. See discussion	RGB24, RGB32	Plugin	Wilbert Dijkhof
Msmooth	Masked smoother, designed specifically for anime.	YV12, RGB32	Plugin	Donald Graft
SmoothUV	A spatial denoising plugin based on Smart Smoother and Smart Smooth HiQ.	YV12	Plugin	Kurosu
SPresso	A fast script to make SD content compress better while keeping the "original look".	YV12	Script	Didée
TBilateral	TBilateral is a spatial smoothing filter that uses the bilateral filtering algorithm. It does a nice job of smoothing while retaining picture structure.	YV12, YUY2	Plugin	tritical
VagueDenoiser	This is a Wavelet based Denoiser. Basically, it transforms each frame from the video input into the wavelet domain, using various wavelet filters. Then it applies some filtering to the obtained coefficients. See discussion.	YV12, YUY2, RGB32	Plugin	Lefungus, Kurosu, Fizick
VerticalCleaner	Fast vertical cleaner. Parameter information here. Explanation of mode 2 here.	YV12, YUY2	Plugin	Kassandro

Temporal Denoisers

Filter	Description	Color format	Plugin / Script	Author
Cnr2	A fast chroma denoiser. Very effective against stationary rainbows and huge analogic chroma activity. Useful to filter VHS/TV caps. See discussion.	YV12, YUY2	Plugin	Marc FD, tritical
FluxSmooth	Examines each pixel and compares it to the corresponding pixel in the previous and last frame.	YV12, YUY2	Plugin	SansGrip, sh0dan
GrapeSmoother	This filter averages out visual noise between frames.	YUY2	Plugin	Lindsey Dubb
MVDegrain	Strong and effective temporal denoiser. Part of the MVTools package.	YV12, YUY2	Plugin	Fizick
TemporalCleaner	TemporalCleaner is an Avisynth port of the original port of the VirtualDub filter TemporalCleaner made by Jim Casaburi.	YV12, YUY2	Plugin	vlad59
TTempSmooth	TTempSmooth is a motion adaptive (it only works on stationary parts of the picture), temporal smoothing filter.	YV12, YUY2	Plugin	tritical
Temporal Degrain	SLOW but very effective at removing most grain from video sources.		Script

Spatio-Temporal Denoisers

Filter	Description	Color format	Plugin / Script	Author
Convolution3D	Convolution3D is a spatio-temporal smoother, it applies a 3D convolution filter to all pixels of consecutive frames. See discussion.	YUY2	Plugin	Sébastien Lucas
Deen	Deen is a set of assembly-optimised denoisers, like various 3d and 2d convolutions.	YV12	Plugin	MarcFD
DenoiseMF	A fast and accurate denoiser for a Full HD video from a H.264 camera. See discussion.	YV12	Script	rean
dfttest	A 2D/3D frequency domain denoiser. See discussion.	YUY2, YV12, YV16, YV24	Plugin	tritical
dfttestMC	A script that motion compensates dfttest. See discussion.	YV12	Script	thewebchat
DeGrainMedian	Two stage Spatio-Temporal Limited Median filter for grain removal. See	YV12, YUY2	Plugin	Fizick
FFT3DFilter	A 3D Frequency Domain filter - gives strong denoising and moderate sharpening	YV12, YUY2	Plugin	Fizick
FFT3DGPU	Similar algorithm to FFT3DFilter, but uses graphics hardware for increased speed. See discussion.	YUY2, YV12	Plugin	tsp
frfun4	Spatial-temporal fractal denoising.	YV12	Plugin	prunedtree
HQdn3d	High Quality DeNoise 3D is an Avisynth 2.5 port of the MPlayer filter of the same name. It performs a 3-way low-pass filter, which can completely remove high-frequency noise while minimizing blending artifacts.	YV12	Plugin	Loren Merritt
MC_Spuds	Motion compensated noise removal with sharpening. Extremely slow, but extremely effective.	YV12	Script	Spuds, Didée
MCTemporalDenoise	Another high quality motion compensated noise removal script with an accompanying post-processing component (with loads of excess feature such as MC-Post-sharpening, MC-antialiasing, deblock, edgeclean and much more)	YV12	Script	LaTo
MipSmooth	MipSmooth is a reinvention of SmoothHiQ and Convolution3D. MipSmooth was made to enable smoothing of larger pixel areas than 3x3(x3), to remove blocks and smoothing out low-frequency noise. See discussion.	YV12	Plugin	sh0dan
NoMoSmooth	NoMoSmooth temporally denoises relatively static areas and a spatially denoises moving parts. In addition to this motion-based approach, NoMoSmooth employs another technique to try to retain as much existing detail as possible: only pixels that are "fluctuating" are smoothed. See discussion.	YUY2	Plugin	SansGrip
PeachSmoother	PeachSmoother was designed to cope with the oddities of analog broadcast TV.	YV12	Plugin	Lindsey Dubb
RemoveDirtMC		YV12	Script	Nephilis
RemoveGrain	RemoveGrain is a plugin package containing various plugins for spatial and temporal denoising, repairing, sharpening, deinterlacing, and other utility functions.	YV12, YUY2	Plugin	Kassandro
RemoveGrainHD	RemoveGrainHD is like RemoveGrain but intended for high definition content. It includes various spatial and temporal functions. See documentation.	YV12, YUY2	Plugin	Kassandro
RemoveNoiseMC	Motion compensated filter for removing noise, larger spots and other dirt. Written as an alternative to the old Dust. Last update Nov 2006. It uses mvtools v1. Jenyok collected together all RemoveNoise and various filters functions and adapted to MVTools v2.	YV12	Script	Heini011
RgTools	Modern rewrite of `RemoveGrain`, `Repair`, `BackwardClense`, `Clense`, `ForwardClense` and `VerticalCleaner` all in a single plugin.	Y8, YV12, YV16, YV24, YV411	Plugin	tp7
STPresso	A fast script to make SD/720p content compress better without losing detail and original grain structure. See discussion.	YV12	Script	Didée
zzz_denoise	Simple wrapper around a combination of dfttest and MDegrain3. Requires the Dither package.	YV12	Script	cretindesalpes

Adjustment Filters

Borders and Cropping

Filter	Description	Color format	Plugin / Script	Author
BorderControl	It's designed to allow you to manipulate the regions at the top, bottom and sides of a frame. Set a black border, set a border region to be faded out and you can "smear" the border to save having to crop and resize the whole frame for the sake of a few pixels. Each border (top,bottom.left and right) can be manipulated independently. See discussion and documentation.	YUY2, YV12	Plugin	Simon Walters
FillMargins	FillMargins is a simple AviSynth filter that fills the four margins of a video clip with the outer pixels of the unfilled portion. It takes integer 4 parameters specifying the size of the left, top, right, and bottom margins. These may be any value and do not have to be any particular multiple. See discussion here and here, additional documentation	YV12	Plugin	Tom Barry
Padding	Duplicate edge pixels to the outside with PointResize. See discussion.	RGB24, RGB32, YUY2, Y8, YV16, YV24, YV411	Script	Didée

Filter	Description	Color format	Plugin / Script	Author
AutoCrop	Automatically crops black borders (wikipedia:Letterbox, wikipedia:Pillar box, wikipedia:Windowbox) from a clip. Operates in preview mode (overlays the recommended cropping information) or cropping mode. Can also ensure width and height are multiples of specified numbers. See original discussion and updated AutoCrop discussion	YUY2, YV12	Plugin	Glenn Bussell, len0x
RoboCrop	RoboCrop is an automatic cropping solution to crop black borders from video clips, loosely based on (but using no code from) AutoCrop by Glenn Bussell. See discussion.	RGB24, RGB32, YUY2, Y8, YV16, YV24, YV411	Plugin	StainlessS

Colourspace Conversion

Filter	Description	Color format	Plugin / Script	Author
AutoYUY2	This filter is correctly converts YV12 to YUY2 without color bias.	YV12	Plugin	Donald Graft
ConvertToYCgCo	Converts to the YCgCo colorspace. See discussion.	RGB24, RGB32	Plugin	xv
InterleavedConversions	Tools for interleaving and de-interleaving 2, 3, and 4-channel data.		Script	PitifulInsect
YUY2inRGB	A quick filter that stuffs YUY2 into RGB24. See discussion.	YUY2	Plugin	Trevlac
YUY2toRGB219	Converts YUY2 to studioRGB. With this kind of conversion, luma will not change, meaning no quantization error on luma. See discussion.	YUY2	Plugin	Trevlac
YV12toRGB24HQ	YV12 to RGB24 with dithering.	YV12	Plugin	prunedtree
PlanarConversions	Planar conversion functions for AVISynth.		Script	PitifulInsect

Duplicate Frame Detectors

Filter	Description	Color format	Plugin / Script	Author
Dup	a robust duplicate frame detector. a frame that is determined to be close enough to its predecessor to be considered a duplicate will be replaced by a copy of the predecessor. This can significantly reduce the size of encoded clips with virtually no visual effect. provides the capability to replace frames with a blend of all the duplicates, providing a valuable noise reduction. Filter by Donald A. Graft.	YV12, YUY2	Plugin Update (v2.32)	Donald Graft
Dupped	Another frame duplication function, similar to Dup, but hopefully more accurate. See [19]		Script	Corran
DeDup	Remove (drop) duplicate frames in the interest of compression quality and speed. Resulting clip will have a variable frame rate.	YV12, YUY2	Plugin	Loren Merritt
ExactDedup	ExactDedup is an AVISynth 2.5 plugin providing a filter intended to remove frames that are exact duplicates of each other, leaving only the first and (optionally) last frames of a run intact, and generates a Matroska v2 timecodes file with timing information for the ensuing stream.	RGB24, YV12	Plugin	Steve Melenchuk, Arick Chan
GetDups	Selecting unique duplicate frames from clip, it return frames which have copies only, by one from the series (group). Made for 8mm films.	YV12, YUY2	Plugin	Fizick
MorphDups	Replace duplicate frames by interpolations.	YV12	Script	sven_x

Effects

Filter	Description	Color format	Plugin / Script	Author
AddGrainC	Generates film like grain or other effects (like rain) by adding random noise to clip. Noise can be horizontally or vertically correlated causing streaking. Contains AddGrain & AddGrainC	RGB24, RGB32, YUY2, Y8, YV411, YV12, YV16, YV24	Plugin	Tom Barry, Foxyshadis LaTo, cretindesalpes
AddStaticGrainM	This function adds static grain in dark areas based on a mask.	YV12	Script	Daiz
AddNoise/Blockbuster	Makes encoder allocate more bits to darker areas, thus eliminating DCT blocks by decreasing the clips compressibility.		Plugin	Ross Thomas
AviShader	generic plugin that uses your 3D card's hardware to assist with rendering	RGB32	Plugin	Antitorgo
ColorLooks	This plugin is based on Trev's VDub filter Colorlooks and Donald Graft's Colorize (well it works a bit similar). I also added some new stuff. The plugin contains the following filters: Technicolor, Colorize, Sepia and Posterize.	YV12, YUY2, RGB24, RGB32	Plugin	Wilbert Dijkhof
crt_display	CRT emulation with scanline and phosphor effects. crt_display emulates a CRT display using aperture grille (Trinitron) or Cromaclear technologies. See discussion.	RGB24, RGB32	Script	cretindesalpes
EffectsMany	Creates 34 types of special "animated" effects. Effects act on the input clip in the range of the frame numbers specified. The Audio is not affected.	YV12, YUY2, RGB24, RGB32	Plugin	V. C. Mohan
f3kgrain	Another 8/16-bit luma adaptive grain generator.	Y8, YV12, YV16, YV24	Script	06_taro
GNoise	Adds random noise to a clip. See duscussion.	YV12	Plugin	mf
GrainFactory3	Noise generator that tries to simulate the behavior of silver grain on film. See discussion.	YV12	Script	Didée
GrainFactory3mod	Luma adaptive grain generating filter in 8-bit precision. Based on Didée's GrainFactory3 script.	YV12	Script	06_taro
GrainFactoryLite	Luma adaptive grain generating filter with stacked 16-bit input/output support. Based on Didée's GrainFactory3 script, processing in 16-bit precision, and some commonly unused parameters removed.	YV12	Script	06_taro
HollywoodSQ	Creates popup album, akin to Hollywood squares TV show	YV12, YUY2, RGB24, RGB32	Plugin	V. C. Mohan
KenBurnsEffect	Given clip, zooms, pans & rotates clip. See wikipedia:Ken Burns Effect	YV12, YUY2, RGB24, RGB32	Script	mikeytown2
MPlayerNoise	Noise Generator ported from MPlayer. See discussion.	YV12	Plugin	bergi
NoiseGenerator	Newer function based off of Blockbuster. Adds random noise to clip.	YV12, YUY2, RGB24, RGB32	Plugin	Shubin
Scanlines	Add Scanlines (black horizontal bars) to a video. see wikipedia:Scan Line	YV12	Plugin	turulo
StaticNoiseC	Generates static grain using the Mersenne Twister random number generator. See discussion.	YV12	Plugin	histamine
TurnsTile	Applies mosaic and/or palette effects to a clip.	YV12, YUY2, RGB24, RGB32	Plugin	Robert Martens

Field Order

Filter	Description	Color format	Plugin / Script	Author
PFR	Tries to restore the original progressive field order of a movie (or any predominantly filmed material transferred to video) where the field order changes at scene changes in a seemingly random fashion! See discussion.	YV12, YUY2	Plugin	Simon Walters
ReverseFieldDominance	This filter is intended to reverse the field dominance of PAL DV video. See discussion.	YUY2, RGB24, RGB32	Plugin	Simon Walters

Frame Rate Conversion

Filter	Description	Color format	Plugin / Script	Author
AlterFPS	AlterFPS can be used to speed up or slow down a video by adding or removing fields. It works like the 3:2 pulldown of NTSC film material, except you can choose your new speed. It can also blend frames for progressive frame results, and blend fields like ConvertFPS.		Script
convert60ito24p	convert60ito24p converts a 60fps interlaced NTSC Video into a 24fps progressive Video using different blending techniques. discussion.		Script
FPSDown	This filter reduces the framerate of a video by 1/2, by blending odd and even frames together. However, it does this in a smart way such that in case of duplicate frames, it will do the smart thing to remove unnecessary blurring in the output video.	RGB32	Plugin	arkeet
FrameDbl	FrameDbl will generate extra frames to double the frame rate. It does this using a motion compensated approach to interpolating between frames. See discussion.	YV12	Plugin	Tom Barry
InterFrame	Frame rate conversion script. Interframe works very well at converting 24FPS to 60FPS; converts videos to higher frame rates like newer TVs do. Common names are frame doubling, smooth motion, among others. See discussion.	YV12	Script	SubJunk
MotionProtectedFPS (Motion)			Script
MVFlowFPS(2) (MVTools)			Plugin
NTSC tools	Automatic NTSC to PAL conversion with 24p, 30p, 60i detection. See [20]		Script	Mug Funky
SalFPS3		YV12	Script	Mug Funky, Didée
SVPflow	SVPflow provides fast and high quality GPU accelerated frame rate interpolation. See discussion.	YV12	Plugin	SVP Team
tc2cfr	This plugin that can read a timecode file and convert a given video clip in to one with a constant framerate by adding duplicate frames.	YV12	Plugin	gnaggnoyil
TimecodeFPS	Converts clip from VFR to CFR. Timing information from clip is discarded, and matroska v2 timecodes from the timecodes file are used instead.	Any	Plugin	natt
VFRtoCFR	Converts a variable frame rate (VFR) video to a constant frame rate (CFR) video with the help of Matroska Version 2 Timecodes.	YV12	Plugin	Aktan
VfrToCfr	This plugin converts variable frame rate clips to constant frame rate by introducing null frames.	YV12	Plugin	joyje

Levels and Chroma

Filter	Description	Color format	Plugin / Script	Author
AutoAdjust	A high quality automatic adjustement filter. It calculates statistics of clip, averages them temporally to stabilize data and uses them to adjust luminance gain & color balance. AutoAdjust has a smoothing & dithering algorithm to avoid banding issue. Calculations are made in 32bits float to avoid rounding errors and can also input/output 16-bits. AutoAdjust is internally multithreaded and SSE2 optimized.	Y8, YV411, YV12, YV16, YV24	Plugin	LaTo
Autolevels	Improvement of the ColorYUV filter's autogain feature. It stretches the luma histogram to use the entire specified range, averaging the amount of "gain" over consecutive frames to better handle flashes and to avoid flickering. Discuss	YV12, YUY2, RGB24, RGB32	Plugin	frustum & Theodor Anschütz
AWB	Automatic white balance for real world footage, similar to the known function in digital cameras. See discussion.	YV12	Script	martin53
ChanMix	Creates a grayscale image from an RGB24 source, it has 3 parameters to specify how much of each color-channel is used.	RGB24	Plugin	E-Male
ChannelMixer	Very similar to the ChannelMixer function found in Photoshop. 9 Adjustments are possible, 3 for each color channel.	RGB24, RGB32	Plugin	Gustaf Ullberg
ColorBalance	Same tool that is found in Gimp & Cinepaint. See discussion.	RGB24, RGB32	Plugin	Gavino & mikeytown2
ColorLooks	This plugin is based on Trev's VDub filter Colorlooks and Donald Graft's Colorize (well it works a bit similar). I also added some new stuff. The plugin contains the following filters: Technicolor, Colorize, Sepia and Posterize. See discussion	RGB24, RGB32, YUY2, YV12	Plugin	Wilbert Dijkhof
ColourLike	Makes a clip look like a 'reference' clip by adjusting each colour mask.	YV12	Plugin	mg262
ColourMask	Creates colour masks.	YV12	Plugin	mg262
ExpLabo	ExpSat apply a non-linear transformation of saturation, Colorize change the image color dominance in a flexible manner, HLSnoise adds a noise to the image separately to the HLS dimensions. See discussion.	RGB24, RGB32	Plugin	brabbudu
FlimsYlevels	Luma adjustment function to give a more "film-ish" look. (Based on Didée's Ylevels).	YV12	Script	FlimsyFeet
GiCocu	Use GIMP/Photoshop curve files	RGB24, RGB32	Plugin	E-Male
HDRAGC	High Dynamic Range Automatic Gain Control - Increase dynamic range of video clips (enhance shadows). It's "simply" gaining (brightening) dark areas of image without causing blow of highlights. Amount of gain is calculated automatically, but can be influenced by parameters. See discussion.	YV12, YUY2	Plugin	paviko
HighlightLimiter	"Darkening highlight". Works well on over exposed clips. It can also be combined with ContrastMask to create HDR effect	YV12	Script	javlak
HistogramAdjust	Adjusts the histogram of a frame by either equalizing it or by matching with histogram of another image, or with given histogram table of values.	YV12, YUY2	Plugin	V. C. Mohan
Histograms in RGB & CMY	Similar to Histogram("levels") but for RGB and CMY instead of YUV. It also includes a RGB parade color scope.	RGB24, RGB32, Y8, YUY2, YV411, YV12, YV16, YV24	Script	-Vit-
HSVAdjust	HSVAdjust/HSLAdjust/HSIAdjust let's you rotate hues, control the strength of color (saturation), or modify the brightness of a clip. The type of brightness depends on the filter. It's value for HSVAdjust, lightness for HSLAdjust or intensity for HSIAdjust. See discussion	RGB24, RGB32	Plugin	Wilbert Dijkhof
Hue	This plugin is a port of Donald Graft's VirtualDub Hue filter. See discussion	RGB24, RGB32	Plugin	Wilbert Dijkhof
OutRange	A simple function to scan the whole video and output a log file, in which out-of-tv-range frames are logged.	Y8, YV411, YV12, YV16, YV24	Script	06_taro
RgbAmplifier	An AviSynth forensic plugin to amplify color shifts.	RGB24, RGB32	Plugin	StainlessS
SGradation	SGradation is much like a gamma function, but '2nd order'.		Script
ShowOverRange	Shows illegal "TV range" by painting pixels blue for anything less than 16 and red for anything greater than 235.	YUY2, YV12	Plugin	SAPikachu
SmoothAdjust	SmoothAdjust is a set of 5 plugins to make YUV adjustements. These 5 plugins have a smoothing & dithering algorithm to avoid banding issue. Calculations are made in 32bits float to avoid rounding errors and artifacts. SmoothAdjust is multithreaded (up to 16 threads) and SSE2 optimized. SmoothAdjust is SmoothLevels' successor.	Y8, YV411, YV12, YV16, YV24	Plugin	LaTo
Tint	Tints the image toward a specified colour.		Script
TweakColor	Target specific hue and saturation ranges for hue and saturation adjustments.	YV12, YUY2	Plugin	Trevlac
Tweak3	Deprecated; same as Tweak but with dithering. This plugin is considered deprecated, Tweak in AviSynth 2.6 added dithering.	YV12, YUY2	Plugin	soulhunter
VideoScope	Similar to Histogram("classic") but with additional features.	YUY2	Plugin	Randy French
WhiteBalance	Correct the white balance of a clip with a large degree of control and accuracy over other methods of correcting white balance. See discussion.	YV12, YUY2, RGB24, RGB32	Plugin	SomeJoe
Ylevels	A simple replacement for Avisynth's internal Levels command, with a few neat differences.	YV12	Script	Didée

Line Darkening

Filter	Description	Color format	Plugin / Script	Author
FastLineDarken	Line darkening script. See discussion.	YV12	Script	Vectrangle
FastLineDarkenMOD	Line darkening script. See original discussion. Updated script. Additional information.	YV12	Script	Vectrangle / Didée
LimitedDarken			Plugin
mfToon	mfToon darkens cartoon edges. In default operation, it performs line darkening, Xsharpening, and warp sharpening. See discussion. Additional information here and here	YV12	Script	mf
SuperToon	An attempt to optimize/speed up the previous versions of mfToon, vmToon, etc. See discussion	YV12	Script	Hadien
Toon	Simple and fast line darkener.	YV12	Plugin	mf
ToonLite	It's the same as Toon, just without the warpsharp processing..	YV12	Plugin	mf
vmToon	The successor to mfToon. Darkens lines, thins lines, and does supersampled sharpening all in one, but slow.	YV12	Script	Vectrangle

Resizers

Filter	Description	Color format	Plugin / Script	Author
AreaResize	An area-average resizer plugin; only use to downscale.	RGB24, RGB32, Y8, YV12, YV16, YV24, YV411	Plugin	Chikuzen
Debicubic	This filter is designed to reverse the effects of bicubic upsampling.	RGB24, RGB32, YV12	Plugin	Prunedtree
Debilinear	This filter is designed to reverse the effects of bilinear upsampling.	RGB24, RGB32, YV12	Plugin	Prunedtree
EdiUpsizer	EDIUpsizer is a resampling filter that upsizes an image by a factor of two both horizontally and vertically using NEDI (new-edge directed interpolation). See nedi.pdf for more info on the algorithm. EDIUpsizer also uses a few modifications to basic NEDI in order to prevent a lot of the artifacts that NEDI creates in detailed areas. These include condition number testing and adaptive window size (finaltzeng.pdf), as well as capping constraints. All modifications and constraints to NEDI are optional (can be turned on and off) and are user configurable. Just note that this filter is rather slow.	YV12	Plugin	tritical
FastEDIUpsizer	FastEDIUpsizer is a slimmed down version of EDIUpsizer that is slightly more tuned for speed. It uses a constant 8x8 window size, only performs NEDI on the luma plane, and only uses either Bicubic or Bilinear interpolation as the fall back interpolation method.	YV12	Plugin	tritical
HybridResize	Uses Lanczos (sharp) for edges and Bilinear (soft) on the rest of the image.		Script	mf
JincResize	Jinc (EWA Lanczos) Resampler Plugin for Avisynth/Avisynth+. See discussion.	Y8, YV12, YV16, YV24, YV411	Plugin	innocenat
Lanczosplusv3	Very slow, but high quality resizer. See [21]		Script	*.mp4 guy
nnedi3_rpow2	Enlarge images by the powers of 2 using Neural Network New-Edge Directed Interpolation ; nnedi3_rpow2 is a function included in nnedi3.	RGB24, YUY2, YV12	Plugin	tritical
nnedi3x_rpow2	Enlarge images by the powers of 2 using Neural Network New-Edge Directed Interpolation ; nnedi3x_rpow2 is a script function included in nnedi3ocl.	RGB24, YUY2, Y8, YV12, YV16, YV24, YV411	Script and Plugin	SeT
nnedi3_resize16	An advanced script for high quality image resizing and colorspace conversion.	Y8, YV12, YV16, YV24	Script	mawen1250
PointSize	A set of pixel art resizers: Scale2x, Scale3x, LQ2x, LQ3x, LQ4x, HQ2x, HQ3x, HQ4x.	RGB32	Plugin	`Orum
ResampleHQ	ResampleHQ provides gamma-aware resizing and colorspace conversion.	YV12, YUY2, RGB24, RGB32	Plugin	Cory Nelson
ResizeARC	ResizeARC respects AR as possible maintaining MOD32 resolutions, uses bitrate, bpp and the resize function specified as parameters. Usage:		Script
Seamer	Seam Carving/Liquid Rescale for Content-Aware Image Resizing. See wikipedia:Seam Carving	RGB24, RGB32	Plugin	V. C. Mohan
SimpleResize	Very simple and fast two tap linear interpolation. It is unfiltered which means it will not soften much.	YV12, YUY2	Plugin	Tom Barry
SplineResize	SplineResize contains two kinds of spline based resizers: The first ones are the (cubic) spline based resizers from Panorama tools: Spline100Resize (using 10 sample points) and Spline144Resize (using 12 sample points) are examples. Other ones are available in AviSynth itself. The second ones are natural cubic splines that use the kernel itself as a spline.	YV12, YUY2, RGB24, RGB32	Plugin	Wilbert Dijkhof
YV12InterlacedReduceBy2	InterlacedReduceBy2 is a fast Reduce By 2 filter, usefull as a very fast downsize of an interlaced clip. See discussion.	YV12	Plugin	Tom Barry
Zoom	Zoom, Pan & Rotate Clip. Adds alpha layer to clip.	RGB32	Plugin	WarpEnterprises
ZoomBox	Replacement for ResizeKAR. Resizes clip Keeping the Aspect Ratio. Can set Source/Target PAR/DAR, option to zoom in/out in order to hide/show black borders.		Script	mikeytown2

Sharpeners

Filter	Description	Color format	Plugin / Script	Author
aSharp	Adaptive sharpening filter. You can use it for high quality sharpening of soft sources. See discussion.	YV12	Plugin	Marc FD
aWarpSharp	A warp sharpening filter.	YV12	Plugin	Marc FD
aWarpSharp2	A modern rewrite of aWarpSharp with several bugfixes and optimizations. See discussion	YV12	Plugin	SEt
blah	Sharpening. See discussion.	YV12	Script	*.mp4 guy
FineSharp	Small and relatively fast realtime-sharpening function, designed for 1080p, or after scaling 720p -> 1080p during playback (to make 720p look more being like 1080p). See discussion.	YV12	Script	Didée
LimitedSharpen	LimitedSharpen can be used like a traditional sharpener, but producing much less artefacts. It can be used as a replacement for the common "resize(x4)-XSharpen-resize(x1)" combo, with very similar results (perhaps even better) - but at least 2 times faster, since it requires much less oversampling.		Script	Didée
LSFmod	A LimitedSharpenFaster mod with a lot of new features and optimizations.	YV12	Script	LaTo
MSharpen	This filter implements an unusual concept in spatial sharpening to sharpen important edges without amplifying noise. Although designed specifically for anime, it also works quite well on normal video. See discussion.	RGB, YUY2, YV12	Plugin	Donald Graft
NonlinUSM	Non-linear Unsharp Masking.	YV12	Script	Didée
SharpenComplex2	Port of MPC-HC's Sharpen Complex 2 to Avisynth. Despite the name, this script is very simple, see discussion.	YV12	Script
SSXSharpen	Included in SharpTools. Sharpens the picture using supersampling techniques.	YV12	Script	Didée
Super Slow Sharpen	Very slow, but high quality sharpener. See [22]	YV12	Script	*.mp4 guy
TUnsharp	TUnsharp is a basic sharpening filter that uses a couple different variations of unsharpmasking and allows for controlled sharpening based on edge magnitude and min/max neighborhood value clipping. The real reason for its existence is that it sports a gui with real time preview. See discussion.	YUY2, YV12	Plugin	tritical
UnFilter	This filter softens/sharpens a clip. It implements horizontal and vertical filters designed to (slightly) reverse previous efforts at softening or edge enhancement that are common (but ugly) in DVD mastering. See discussion.	YUY2, YV12	Plugin	Tom Barry
UnsharpHQ	A strong and fast unsharp mask with some new features. See discussion.	YV12	Plugin	list
WarpSharp	Also known as WarpSharp Package because it included multiple filters for various different tasks. WarpSharp contains these sharpeners: Unsharpmask, WarpSharp, Xsharpen. See description. 2003 Version 2006 Version 2008 Version	YUY2, YV12	Plugin	seraphy
WarpSharp YV12	Directly ported from ffdshow; it contains WarpSharp & XSharpen.	YV12	Plugin	sh0dan

Blurring

Filter	Description	Color format	Plugin / Script	Author
BucketMedian	BucketMedian is an implementation of spatial median filter adapting bucket (counting) sort algorithm.	Y8, YV411, YV12, YV16, YV24	Plugin	Chikuzen
MedianBlur	A plugin with 5 different types of median blur filters. See discussion.	YV12	Plugin	tsp
MedianBlur2	Implementation of constant time median filter for AviSynth 2.6, similar to MedianBlur.	Y8, YV12, YV16, YV24, YV411	Plugin	tp7
VariableBlur	VariableBlur is a Gaussian, binomial or average blur filter with a variable radius (variance).	RGB24, RGB32, YUY2, YV12,	Plugin	tsp, tritical
VariableMedian	A simple median filter. See discussion	RGB32	Plugin	Simon Walters

Rotation

Filter	Description	Color format	Plugin / Script	Author
FTurn	Fast implementation of TurnLeft(), TurnRight() and Turn180() AviSynth functions. See discussion.	Y8, YV12,YV24	Plugin	tp7
Rotate	Rotate or shear on any given angle. See discussion.	RGB32, YV12	Plugin	Fizick
Spinner	Spinner plugin rotates a frame or selected part of it about the given axis coordinates in floating point precision.	RGB24, RGB32, YUY2, YV12	Plugin	V. C. Mohan

Subtitling

Filter	Description	Color format	Plugin / Script	Author
AssRender	Libass-based subtitle renderer. See discussion.	RGB32, RGB24, YV24, YV12, Y8	C Plugin	lachs0r, TheFluff
SubAA	Single Subtitle with Anti-aliasing.		Script
SubtitleEx	Similar to the original Subtitle function but can do more: apply text to range; effects - bold, underline, italic, center, fading, motion, blur, emboss, etc...; alpha channel.		.dll .chm (help)
SubtitleMulti	A parameter-compatible Subtitle function which allows the usage of line breaks. (Wilbert: I can't find the script ...)		Script	JLennox
SupTitle	Blu-ray PGS .SUP Subtitle Renderer Plugin for AviSynth. See discussion	YV12	Plugin	ZachSaw
TextSub (VSFilter)	Supported Subtitle Formats: VOBsub (.sub/.idx), SubStation Alpha/Advanced SubStation Alpha (.ssa/.ass), SubRip (.srt), MicroDVD (.sub), SAMI (.smi), PowerDivX (.psb), Universal Subtitle Format (.usf), Structured Subtitle Format (.ssf). See [23]		Plugin
VSFilterMod	A new VSFilter with more ass tags.		Plugin

Transitions

Filter	Description	Color format	Plugin / Script	Author
DissolveAGG	Wipe Transition with a soft edge. See discussion. Note: There exist multiple variants of the script as the result of the interaction between authors in that discussion.		Script (v1) Script (v2) Script (v3)	zemog, mikeytown2, Gavino and others
JDL_MaskTransition	Combines two clips using the specified mask clip. The audio tracks are blended during the transition. About any transition can be made with this function.		Script	James D. Lin (stickboy)
TransAll	Around 150 distinct transitions can be created with this plugin.	RGB, YUY2, YV12	Plugin	V. C. Mohan
Transition (Albert Gasset)	Various Wipe and Random Block modes. Has 19 built in patterns or it can use an external file.		Plugin	Albert Gasset
Transition (shubin)	Contains 2 modes: circle and line. In circle mode the area has radius R and center xCenter,yCenter. In line mode the line passes through xCenter,yCenter with slope R.		Plugin	Shubin

Other Filters

Debugging/Diagnostic Filters

Filter	Description	Color format	Plugin / Script	Author
AVInfo	AVIInfo gives information about the streams in the clip without loading any frames. filename can be a WAV file or an AVI file with several audio streams (it won't open AVI files with embedded subtitles though). It will return the info as a string.		Plugin	trevlac, wilbert
Avisynth Info Tool	This program gathers all available info about the installed Avisynth version. It should be useful for troubleshooting since especially novice users don't always know which Avisynth version they have installed, what DLLs/DLL-versions reside in their plugin directory, etc. The tool also helps resolve problems with plugin DLL dependencies like missing Microsoft runtime libraries.			Groucho2004
AVSMeter	AVSMeter is a CLI (command line interface) tool that "runs" an Avisynth script with virtually no overhead, displays clip info, CPU and memory usage and the minimum, maximum and average frames processed per second. It measures how fast Avisynth can serve frames to a client application (x264, for example) and comes in handy when testing filters/plugins to evaluate their performance and memory requirements.		Command line executable	Groucho2004
Avisynth-Monitor	[DEPRECATED] See discussion		Plugin	johann.Langhofer
AvsTimer	[DEPRECATED] An Avisynth 2.5x plugin for measuring speed and performance of Avisynth plugins. See discussion and continued discussion.		Plugin	Kassandro
DumpPixelValues	Samples the colors from selected pixels for every frame in a video source and outputs the data to a text or binary file. See homepage.	RGB32, YUY2	Plugin	McPoodle
Framenumber	Framenumber inserts the framenumber of the current frame (+ offset).		Plugin
GrainEvaluate	A script to analyze and log the strength of grain for each frame. See discussion.	YV12	Script	06_taro
Glitch Analyzer	Glitch Analyzer generates a diagnostic video, then analyzes the recorded version of it, to detect swapped, dropped, or repeated fields.	YUY2, YV12	Script	jmac698
Grid			Plugin
HDColorBars	A script to create an HD test pattern based on ARIB STD-B28 Rev1. Can easily be adapted to an SMPTE version. Image	YV12	HDColorBars
Kronos	[DEPRECATED] A filter that provides a simple and easy way to benchmark or profile filter chains. Usage information.		Plugin
Measure	Measures luminence of greyscale bars and prints results on-screen. Can be used to set brightness/contrast in capture settings accurately.	YV12	Script	halifaxgeorge
MonitorFilter			Plugin
PixelInfo	A GUI-based filter that lets you pick a pixel and gives you color information. See discussion and update.	RGB32, YUY2	Plugin	hanfrunz
SegmentDisplayOCR	SegmentDisplayOCR is a seven-segment display recognition filter for AviSynth. It has built in logging functionality (it will log frame recognition results) and also can be used in AviSynth conditional filters. The main purpose of this filter is to process readings of various digital instruments (e.g. digital multimeters) captured on video. So if your favourite instrument lacks interface for connecting it to PC you can capture it's readings on cam and convert them to computer readable format with SegmentDisplayOCR filter.	YV12, YV16, YV24, YV411	Plugin	lcferrum
ShowPixelValues	This filter displays the actual Y U and V (or R G and B) values from pixels within a frame. See discussion and homepage.	RGB32, YUY2	Plugin	Simon Walters
Testpatterns	This filter creates a sinewave frequency sweep directly in YV12, useful to measuring video response.	YV12	Script	halifaxgeorge
TMonitor	TMonitor is a filter very similar to AVSMon. It enables monitoring of an Avisynth clip via previewing the video, viewing clip information (such as video width, height, colorspace, number of frames, audio samples, sample rate, number of audio channels, and more), and adjusting the audio delay. It also supports multiple instances per script, allowing viewing of differences between different parts of a processing chain.	RGB24, RGB32, YUY2, YV12	Plugin	tritical
ViewFields/UnViewFields	UnViewFields, ViewFields		Plugin	Simon Walters
Comptest	The script Compressibility test can be used for a compressibility test on a clip.		Script
SeeTheDifference	SeeTheDifference just makes the difference visible between an encoded and an original videoclip. So you can see what you really "lose" when encoding a video.		Script
BoxCompare	BoxCompare will let you compare up to 4 clips with simple annotations. It's basically a wrapper for StackHorizontal/StackVertical.		Script

Edge Detection

Filter	Description	Color format	Plugin / Script	Author
aSobel	Sobel edge dectecion filter included in aWarpSharp2.	YV12	Plugin	SEt
mt_edge	Edge detection filter included in MaskTools2.	Y8, YV12, YV16, YV24, YV411	Plugin	Manao
tcanny	Contains a canny edge detection filter and distance transform filter.	YUY2, YV12	Plugin	tritical
TCannyMod	Canny edge detection filter for Avisynth 2.6. Reimplementation of tcanny. See discussion	Y8, YV12, YV16, YV24, YV411	Plugin	Chikuzen
TEdgeMask	TEdgeMask creates an edge mask based off gradient vector magnitude.	YUY2, YV12	Plugin	tritical
TEMmod	TEdgeMask modified for Avisynth 2.6. It creates an edge mask using gradient vector magnitude. See discussion	Y8, YV12, YV16, YV24, YV411	Plugin	Chikuzen

Export Filters

These filters are used to export things from an avs file.

Filter	Description	Color format	Plugin / Script	Author
Immaavs	ImmaWrite uses the ImageMagick libraries to write images. Many formats are supported including animations and multipage files.		Plugin	Wilbert Dijkhof
twriteavi	Serve AVI file to program requesting it as well as write an avi file. Useful for speeding up 2 pass encodes at the cost of hard drive space.		Plugin
Sashimi (function "RawWriter")	Sashimi writes (and reads) almost any regular raw uncompressed data format you can define. You'll find a fuller description above.	RGB, YUY2, and YV12.	Plugin with scripts	PitifulInsect

Import Filters

These filters are used to import filters written for other audio and video packages.

Filter	Description	Color format	Plugin / Script	Author
FreeFrame	Allows freeframe filters (mostly effects) to be used directly in avisynth.	RGB24, RGB32	Plugin
LoadVFApiPlugin			Plugin

Meta-Filters

These filters are primarily designed to be used with other filters, to restrict or augment their effect.

Filter	Description	Color format	Plugin / Script	Author
Motion			Plugin	mg262
MT	MT is a filter that enables other filters to run multithreaded. This should hopefully speed up processing on hyperthreaded/multicore processors or multiprocessor systems. See [24]	Any	Plugin	tsp
MVTools	MVTools provides filters for estimation and compensation of objects' motion in video clips. Motion compensation may be used for strong temporal denoising, advanced framerate conversions, image restoration and other tasks. See [25]		Plugin	Fizick

Multipurpose Filters

Filter	Description	Color format	Plugin / Script	Author
Camembert	Camembert provides HQDering's functionality with additional background enhancement.	YV12	Script
HybridFuPP	An adaptive processor, allowing picture cleaning and compressibility gain.		Script	Fupp
iiP	Integrated Image Processor performs basic denoising and sharpening excluding already hard edges to avoid oversharpening; this should give the best relative compressibility for any level of detail enhancement. Its main purpose is upconversion from DVD resolutions to (pseudo-) HDTV resolutions. It aims at natural sources only. For animated/cartoon content, one is probably better of with mfToon and SharpResize.	YV12	Script
SeeSaw	SeeSaw uses a balance of denoising and sharpening to enhance a clip. The aim is to enhance weak detail without oversharpening or creating jaggies on strong detail, and produce a result that is temporally stable without detail shimmering.	YV12	Script

Scene Change Detection

Filter	Description	Color format	Plugin / Script	Author
EDLmaker	Simple scenechange detector that writes to EDL file.	YV12	Script	Mug Funky
MSCDetection	Part of MVTools2. MSCDetection creates scene detection mask clip from motion vectors data.	YV12, YUY2	Plugin	Fizick
SCDetect	Detect scene change and output scene change frames to a file.	YV12	Script	06_taro
SceneChangeLavc	SClavc is an Avisynth 2.5 plugin, intended to allow access to libavcodec's scene-change metrics. See homepage.	YV12	Plugin	Loren Merritt
SCXvid	SCXvid produces first pass xvid logs from avisynth at the equuivalent of the default vfw preset. These logs are primaliy intended to get scenechange information from but may have other uses.	YV12	Plugin	Myrsloik
SCXvidMask	A tiny avisynth plugin that reads an SCXvid log and creates a binary mask based on it.	Y8, YV12, YV16, YV24, YV411	Plugin	tp7

Support filters

These filters are primarily designed to augment the creation of custom script-based filters.

Filter	Description	Color format	Plugin / Script	Author
ApplyInterlacedFilter	ApplyInterlacedFilter safely processes interlaced video with spatial and temporal filters.		Script
AvsMotion	AviSynth plugin for animating clips with AAE motion tracking data.	Y8, YV12, YV16, YV24, YV411	Plugin	tp7
CheckMask	A YV12 spatial dot finding filter for AVISynth.	YV12	Plugin	Dan Donovan
FrameCache	Frame cache plugin. It helps greatly increase performance, especially in combination with another plugins, like SmoothDeinterlace. Usage FrameCache( [number of frames to remember], (path to log file) ).	any	johny5 dot coder via gmail	Evgeny
GRunT	Extends Avisynth's Runtime Environment, making it easier to use, especially inside script functions.	Any	Plugin	Gavino
GScript	Extends the Avisynth scripting language to provide additional control-flow constructs: multi-line conditionals (if-then-else blocks), 'while' loops and 'for' loops.	Any	Plugin	Gavino
MaskTools	This plugin provides tools for the creation, enhancement and manipulation of masks for each component (Y, U, V) of the YV12 color space. See discussion. This version is now deprecated, use MaskTools2 instead for new scripts.	YV12	Plugin	Kurosu, Manao
MaskTools2	This plugin provides tools for the creation, enhancement and manipulation of masks for each component (Y, U, V) of the YV12 color space.	Y8, YV12, YV16, YV24	Plugin	Manao, tp7
MergeClips			Plugin
MVTools	This plugin provides a collection of functions for motion estimation and compensation.	YV12, YUY2	Plugin	Various
PlaneMinMax			Plugin
Rt_Stats	Compile-time/Runtime Functions.		Plugin mirror	StainlessS

Deepcolor Filters

Filter	Description	Color format	Plugin / Script	Author
Deep Color Tools	This Script provides basic functions to import 10bit video, do color adjustments, and export to 8bit	V210	Script	jmac698
Dither	Generates video with up to 16 bits per component after denoising and dithers back to 8 bits for storage. Primarily written to smooth fine gradients to remove colorbanding during/after denoising. Can also recover high bitdepth data potentially contained in a noisy clip; dither a high bitdepth picture into a standard YV12; and perform basic operations (masking, curves...) on high bitdepth pictures, as they cannot be manipulated safely with conventional avisynth filters.	Planar colorspaces	Plugin + scripts	cretindesalpes

3D Filters

Filter	Description	Color format	Plugin / Script	Author
2D to 3D stereo	Convert 2d to 3d stereo with bidirectional pulfrich effect + add depth to stationary objects.	YV12	Plugin	Mcmount
Analglyph Filter	This filter produces analglyph video from a stereo pair. Analglyph is a 3d viewing method which uses colored glasses. The plugin supports the advanced Dubois algorithm, which is able to reduce the ghosting effect that is possible in the conversion.	RGB24, RGB32, YUY2, YV12	Plugin	Gábor Kertai
Anaglypher	A plugin for combining stereopairs into single anaglyph image.	RGB32, RGB24	Plugin	Shura Luberetsky
Pantarheon 3D AviSynth Toolbox	he Toolbox contains a number of basic functions which allow you to multiplex the left and right views found in two separate videos into one video, using several of the common methods currently in use.	YUY2, YV12	Script	G. Adam Stanislav

Libraries

Filter	Description	Color format	Plugin / Script	Author
AVSLib	General purpose toolkit/extension library enhancing AviSynths ability to perform complex linear and non-linear video editing tasks. Includes support for Array containers & operators, debugging tools, math & string functions, filters and many more.		AVSLib	gzarkadas

Audio Filters

Filter	Description	Color format	Plugin / Script	Author
AddAudio	An AddAudio function that adds silent audio to a clip. Needed for CCE 2.50 users.		Script
AudioGraph	Displays the audio waveform superimposed on the video. Intended to help with editing rather than for final output. Useful for finding specific dialog or sound, and for checking A/V sync. Source code repository	YUY2, RGB24, RGB32	Plugin	Richard Ling sh0dan
BeFa	Band Eliminate Filter for Audio	N/A	Plugin	kiraru
FindAudioSyncScript	FindAudioSyncScript helps you to find the appropriate audio delays, if you have desync'ed audio.		Script	IanB
MinMaxAudio	Computes the root mean square, maximal or minimal value over all samples in all channels,or just over all samples in channel, and outputs the value (in decibels) as a string. It's a conditional audio filter, so the computation is done framewise.	N/A	Plugin	Wilbert Dijkhof
Sox Audio Effect Filter	Use SOX effects within AviSynth. Most effects are supported, and multiple effects can be stacked after each other.	N/A	Plugin	sh0dan
ViewAudio	includes two filters: ViewAudio and AudioCache.		Plugin x64	minamina
waveform	Displays audio waveforms superimposed on the video, similar to AudioGraph below but with multi-channel support and consistent support for all colourspaces.	YV12, YUY2, RGB24, RGB32	Plugin	wonkey_monkey

As Yet Unclassified

Filter	Description	Color format	Plugin / Script	Author
Adjust	Generic Y-Channel mapping. Can define a function for the Y Channel. See discussion.	YUY2, RGB32, RGB24	Plugin	WarpEnterprises
Average	A simple plugin that calculates weighted average of multiple clips.	Y8, YV12, YV16, YV24, YV411	Plugin	tp7, mg262
AviSynthGimpLayer	AviSynth Gimp-style Layer merge plugin.	RGB24, RGB32	Plugin	panzerboy66
BorderControl	Add smeared borders instead of a solid if wanted. See discussion.	YUY2, YV12	Plugin	Simon Walters
BeforeAfter			Script
BeforeAfterDiff			Plugin
BeforeAfterLine			Plugin
BlockAverage	A simple filter that just averages the Y values of each 2x2 pixel block in a YV12 image – U and V values are left alone as they already common to each 2x2 block in a progressive YV12 image. Just made to see if it satifies the requirements in this thread.	YV12	Plugin	Simon Walters
Call	Call an external program from the script.		Plugin	Nic, DDogg
Chikitown	A simple script to do overlay to a video RGBA in AviSynth.		Script	Chikitown
Colorit	Color a black and white image or recolor a color image. See discussion.	RGB32, RGB24, YUY2, YV12	Plugin	V. C. Mohan
CutFrames	Cut a range of frames from a single a/v clip. Opposite of Trim with extras.		Script	mikeytown2
DCT	Plugin with the following functions: IDCT, IDCT2, FDCT, FDCT2. See discussion	YUY2	Plugin	lcld
DctFilter	An experimental filter that, for each 8x8 block, will do a Discrete Cosine Transform (DCT), scale down the selected frequency values, and then reverse the process with an Inverse Discrete Cosine Transform (IDCT).	YUY2,YV12	Plugin	Tom Barry
DDigit	DDigit Plugin Text Rendering Pack for Plugin writers. See discussion.		Source	StainlessS
DeBlot	Color Blot Reduction.	YUY2,YV12	Plugin	minamina
Defish	Barrel and pincushion distortion correction filter. Old discussion	RGB32	Plugin	wonkey_monkey
ExInpaint	Exemplar-Based Image Inpainting - removing large objects from images..		Plugin	Fizick
FritzPhoto	Use Avisynth to process still images.		FritzPhoto
FSubstitute	Tries to automate the task of replacing bad frames using adjacent or close-by frames.	YV12	Script	martin53
Fusion	Pyramidal image processing for video, it uses image pyramids to blend clips together (more commonly used in the creation of HDR images and image stitching).	RGB32	Plugin -- Plugin (x64)	wonkey_monkey
GetSystemEnv			Plugin	James D. Lin (stickboy)
GraMaMa	Gradient Mask Maker: Creates a mask (either a gradient or black/white) given a prescribed shape (such as circle, ellipse, line, square or rectangle).	YV12	Plugin	E-Male, Wilbert Dijkhof
Quad	An Avisynth plugin to perform quadrilateral transformations.	RGB32	Plugin -- no SSE	wonkey_monkey
LBKiller			Plugin
LTSMC	See discussion.	YV12	Script	Didée
Median	A filter plugin for AviSynth which generates a pixel-by-pixel median of several clips. This is particularly useful for filtering out noise and glitches from multiple VHS/SVHS/8mm/Hi8 tape captures, but can be used for other purposes also. VideoHelp discussion	RGB32, RGB24, YUY2, YV12	Plugin	ajk
MCNR_simple2	See discussion.	YV12	Script	Didée
NeuralNet	Neural networks through back propagation learn and filter some types of noise. Classification and linear type networks are included.	RGB32, RGB24, YUY2, YV12	Plugin	V. C. Mohan
PseudoColor	This filter first converts clip to b/w, then colors it to pseudorandom colors according to brightness. See discussion.	RGB32, RGB24, YV12	Plugin	Shubin
Reform	Skewed images are corrected or vice versa, useful if video is recorded with slightly incorrectly located camera. Sometimes refered to as perspective correction.	RGB32, RGB24, YUY2, YV12	Plugin	V. C. Mohan
RGBManipulate	RGBmanipulate mirrors the function utoy vtoy mergeLuma/chroma for the RGB colorspace.	RGB32	Plugin	tsp
SlopeBend	See discussion.	YV12	Script	Didée
Soothe	Lessens the temporal instability and aliasing caused by sharpening, by comparing the original and sharpened clip, leaving a smoother and slightly softer output. See discussion.	YV12	Script	Didée
UnSmooth	What does it do. It amplifies noise, small detail, and artifacts. Doesn't sound very attractive, but there can still be some detail left in oversmoothed encodes. See discussion.	YV12	Script	mf
WaterShed	Assuming image grey values to be elevations, it is segmented into basins and watershed lines. Useful in certain medical image analysis and recoloring work.	RGB32, RGB24, YUY2, YV12	Plugin	V. C. Mohan
TMM	TMM builds a motion-mask for TDeint, which TDeint uses via its 'emask' parameter. See discussion.	YUY2, YV12	Plugin	tritical
Tracking	demo at Youtube. Use computer vision to track objects in the video, and produce ConditionalReader input.	RGB24	Plugin	Shlomo Matichin
Unpremultiply	This plugin convert the input RGBA clip from premultiplied alpha to straight matted alpha. See discussion.	RGB32	Plugin	Josh Sutinen
ParameterisedBlend	ParameterisedBlend allows you to blend any number of frames within a clip, or blend any number of different clips together. You can use it as an extended, gamma-aware replacement for Merge().	YV12	Plugin	PitifulInsect
xyremap	Reverse Polish pixel remapper (experimental).	RGB32	Plugin	wonkey_monkey

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