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Avidemux is a free video editor designed for simple cutting, filtering and encoding tasks. Tasks can be automated using projects, job queue and powerful scripting capabilities. It supports most video formats like DVD, VOB, AVI, WMV, MPG, MP4, AVI, MOV, MKV, DV, FLV and codecs like H.264/AVC, H.265/HEVC, MPEG4 ASP(DivX, XviD), MPEG2, MJPEG, HUffYUV, PNG, YV12.

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AviDemux screenshot 2
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AviDemux screenshot 3
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Latest version

2.7.5 (August 31, 2019)


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Download AviDemux 2.7.5 Windows 64-bit  36MB  Win64

Download AviDemux 2.7.4 Mac 64-bit  28MB  Mac64

Download AviDemux 2.7.4 Linux 64-bit  39MB  Linux64

Download Beta and other versions

Download AviDemux latest Beta/Nightly Windows 64-bit  ca 22.7MB  Win64

Download AviDemux latest Beta/Nightly Mac  28MB  Mac

Download AviDemux latest Beta/Nightly Linux  ca 22.7MB  Linux

Download AviDemux 2.7.4 Windows 32-bit 22.7MB Win

Download old versions

Download AviDemux old versions

Software License

Free software / FOSS (Free download and also Free and Open Source Software)

Supported operating systems

WinWindows MacMac OS LinuxLinux

More information and other downloads

Version history / Release notes / Changelog

2019-08-31: 2.7.5: Win64 oops
Some support libraries were not properly generated. That led to issues with x265 and png support.

This release only updates the support libraries for win64, no other changes


New Feature:Detect and warn when cut points in H.264 video streams may result in playback issues despite being on keyframes *
FFmpeg:Update to the 4.1.4 release *
Core:Fix MSVC++ builds do not run when the path to user directory contains non-ASCII characters *
Decoder:Fix DXVA2 HW accelerated decoding on Windows 7 *
Decoder:Fix DXVA2 HW accelerated decoding stops sometimes on cuts *
Decoder:Enable HW accelerated decoding of 8-bit HEVC for recent versions of Intel graphics driver on Windows *
Encoder:Fix regression with saved x264 and x265 profiles not found (MSVC++ only) *
Demuxer:Dynamically load VapourSynth Script library to avoid error messages on Windows if VapourSynth is not found *
Demuxer:Provide correct average audio bitrate in the Mp4 demuxer if the exact value for the particular codec is unknown *
Demuxer:Fix crash loading MP4 file with number of audio tracks exceeding the max supported *
Demuxer:Support audio tracks in fragmented MP4 files (the variety with empty moov only) *
Demuxer:Support E-AC3 audio tracks in MP4 files *
Demuxer:Fix ASF demuxer still broken by chance with MSVC++ only, the fix relevant for all platforms *
Demuxer:Support more varieties of BMP images *
Muxer:Optimize output of the Mp4 muxer for streaming on Windows too *
Muxer:Add option to the Mp4 muxer to output fragmented MP4 files *
Muxer:Label HEVC video in Mp4 in a way compatible with QuickTime on macOS *
Filter:Fix assembly in Yadif deinterlacer with MSVC++ *
UI:Enable automatic application scaling on Windows for recent Qt versions *
UI:Fix silent mode, automatically confirm dialogs instead of choosing the default option *
Audio:Support WMAPRO audio codec for decoding *
Audio:Support AAC with signal band replication (SBR) in external audio tracks *
Audio:Fix saving AAC audio tracks with SBR to a file *
Audio:Improve resilience to false positives when probing external audio files for AAC *
Miscellaneous:Fix crash with OpenGL or DXVA2 video output in 32 bits Avidemux on Windows (better late than never) *
Miscellaneous:Fix regressed handling of empty frames in MPEG-4 and FRAPS video streams *
Miscellaneous:Numerous other fixes and polish

View full changelog

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Alternative to AviDemux


MPEG StreamClip






Guides and How to's

AVI to DVD Encoding and Authoring : BASIC

- Read

How to convert any video to AVI or MP4 with burned in subtitles

- Read

How to encode 3D sterioscopic to 2D

- Read

How to get started with avidemux, edit and convert any video format

- Read

How to record streaming flash media, edit and save as AVI, MP4, etc

- Read

AviDemux video tutorials

View all guides with guide description here

Tool features - Convert

Acronyms / Also Known As

AviDemux2, avi demux

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199 reviews, Showing 1 to 5 reviews

Setting size does the video only and is not a bug, so the oversize is the size of your audio. That is how AviDemux is designed. Other programs usually have the target size including the audio as well. Use a bitrate counter which might work out the video size for you instead. These later versions of AviDemux are stable with just the odd bug, but certainly better than older builds.

Review by Dave on Sep 9, 2019 Version: 2.7.5 OS: Windows 8 64-bit Ease of use: 9/10 Functionality: 10/10 Value for money: 10/10 Overall: 10/10

Both 2.7.4 and 2.7.5 builds have a bad bug with the size option in the H264 GUI as mentioned in the previous review. Setting any mb size for the 2 pass is pointless as the file comes in way over it. The bitrate setting is accurate 100%. Please fix this sizing error. Despite that the software is stable.

Just the odd crashe after removing a sharpening plugin filter after deciding not to use it. When this happens you have to reopen the program. I like the software and it's good that people are still developing it. Thankyou for that.

Review by Redmond on Sep 8, 2019 Version: 2.7.4 OS: Windows 7 64-bit Ease of use: 9/10 Functionality: 9/10 Value for money: 10/10 Overall: 7/10

I tested out the 32 bit build on XP. The encoding part is stable, but selecting a file size rather than bitrate is not. I encoded a size set at 702mb using two pass including copying my 64kpbs audio file- expected more or less a 700mb sized file. What I got was a 768mb file size. Using bitrate set at 702kbps the exact size was achieved and a 698mb final sized file including the audio.

During the initial filter set up test, some filters which I decided to remove crashed the program causing exception such and such. The mkv default muxer is very stable, but in a test I chose mp4v2 from the drop box instead, that was not so stable and crashed. Best to stick with the mkv muxer.

My observations are use a bitrate size or the 1 pass CRC quality, but not a specific mb size as it is totally inaccurate.

Review by Ron on Sep 1, 2019 Version: 2.7.4 OS: WinXP Ease of use: 8/10 Functionality: 8/10 Value for money: 10/10 Overall: 8/10

I do a lot of encoding in XP and this works well. Works in Win10 with little problems. Houston we may have turned the corner with this build. Touch wood!

Review by Tom on Aug 19, 2019 Version: 2.7.4 OS: WinXP Ease of use: 9/10 Functionality: 10/10 Value for money: 10/10 Overall: 10/10

I downloaded the paf portable(link below)which has both the 32bit(for my older XP laptop) & 64 bit versions included.

I still can't work out what its Xvid quantization option is using the drop down Macroblock decision choices- is it best to have 'None' or does choosing any of the others break hardware compatiblity? Maybe somebody who encodes Xvid using AviDemux could comment on this. I hardly use Xvid these days, so no worries.

Let's hope it proves stable or I will revert back to 2.7.2 which proved to be crash free in my systems.

Review by Xtro on Aug 19, 2019 Version: 2.7.4 OS: Windows 10 64-bit Ease of use: 7/10 Functionality: 9/10 Value for money: 10/10 Overall: 8/10

199 reviews, Showing 1 to 5 reviews

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