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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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Latest version

2.7.8 / 2.8.0 Nightly (March 26, 2021)


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Download AviDemux 2.7.8 Windows 64-bit  37MB  Win64

Download AviDemux 2.7.8 Mac 64-bit  32MB  Mac64

Download AviDemux 2.7.8 Linux 64-bit  41MB  Linux64

Download Beta, Portable and other versions

Download AviDemux 2.7.8 Portable Windows 64-bit  46MB  Win64  Portable

Download AviDemux 2.8.0 Nightly Windows 64-bit  37MB  Win64

Download AviDemux 2.8.0 Nightly Portable Windows 64-bit  37MB  Win64  Portable

Download AviDemux 2.8.0 Nightly Mac  37MB  Mac

Download AviDemux 2.8.0 Nightly Linux  37MB  Linux

Download the old AviDemux 2.7.4 for Windows 32-bit

Download more nightly beta builds here

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

Version history / Release notes / Changelog

Changes in Avidemux v2.7.8

New Features

Many new video filters added by courtesy of <a href="">szlldm</a>
A dedicated MOV muxer is now available, replacing silent fallback to MOV muxing mode within the MP4 muxer.
A subset of color info relevant for HDR support is retained in copy mode when both input and output video are stored in Matroska / WebM containers. Settings to add or override color info have been added to MKV and WebM muxers.
The indexer in the MPEG-TS demuxer now detects resolution changes in MPEG-2 and H.264 streams which are entirely unsupported and suggests aborting indexing. If the user chooses to continue, it records file offsets of all resolution changes to the log. This allows advanced users to split the file at these offsets using other tools like head and tail into chunks which can be processed with Avidemux.
YUV varieties of the lossless Ut Video codec are supported now for decoding and encoding via bundled FFmpeg libraries.
Uncompressed 24-bit audio is now supported for a subset of file formats.
Limited support for 7.1 channel layout.
Decode and stream copy support for XLL substream in DTS audio tracks.
Audio properties are now updated on resuming playback. This allows to start saving after an audio format change. When audio format changes during playback, the FFmpeg-based audio decoder will output silence and keep format rather than producing garbage.
An option to keep the identity of markers A and B instead of swapping them automatically has been added to Preferences.
The keyboard shortcut for "Delete" action has been made customizable with alternative keyboard shortcuts enabled.

Other Enhancements

Multi-threaded video decoding is now available for the bundled FFmpeg. On powerful multi-core CPUs, this can drastically improve decoding performance. A maximum of 8 threads can be created, but a conservative custom upper limit of 4 is recommended. Values above 8 cause decoding failures. Multi-threaded decoding and HW accelerated decoding are mutually exclusive, changes require application restart to have effect.
The maximum supported resolution has been increased to 8192x8192
The bundled FFmpeg has been updated to the 4.2.4 release.
Non-standard display aspect ratios can be configured in MP4 muxer by specifying display width.
MP4 muxer accepts now MPEG-1 and MPEG-2.
The configuration dialog of the x265 video encoder plugin enjoyed massive cleanup and refactoring by <a href="">Trent Piepho </a>, more Adaptive Quatization Variance methods have been added.
Python interface has been substantially extended, includes now methods to query segment properties, the number and filenames of loaded videos, PTS of keyframes, methods to seek to time with preview updated, to open file dialogs filtered by extension and a built-in method to split filename extension from a given path.
Scripting shell now supports unicode characters.
On macOS, files can be loaded via Finder context menu or by dropping them onto Avidemux icon in the dock.
On Linux, Jobs GUI and the CLI executable can be launched from AppImage by creating a symlink with _jobs or _cli in filename respectively and running the AppImage via this symlink.


Rate control was broken in some video encoders, especially in VP9 and in NVENC-based encoders, fixed now.
Multiple issues in cut point checks for H.264 and HEVC streams in copy mode, leading to incorrect check results, were identified and resolved.
The first two frames of external AC3 or EAC3 audio tracks are not dropped anymore. This regression from enhanced protection against false positives, added 3 years ago, has been finally identified and fixed.
Indexing of MPEG-TS files with HEVC video was broken when video stream lacked access unit delimiters. The issue was identified and fixed right after 2.7.7 had been tagged as released and is the reason why version 2.7.7 was superseded by 2.7.8.
VU meter was grossly ahead of audio output on Windows, now it is just a tiny little bit ahead.
Numerous other fixes and overall 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

Download AviDemux Portable download from the Download links under Download and Download other versions!

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230 reviews, Showing 1 to 5 reviews

It's very good to do what I want it to do. I need something to resave on precise frame instead of skipping. I mean I can resave it but file size is bigger.

Review by skydust11 on Nov 6, 2021 Version: 2.6.8 OS: Windows 7 64-bit Ease of use: 10/10 Functionality: 10/10 Value for money: 10/10 Overall: 10/10

Really has become a plethora of features, fixes etc. It works one day, the next it doesn't. Updated to fix, then more bugs introduced. Neverending! Find a build your comfortable to work with- meaning crashes are few in your system and stick with it. I'm staying with the portable Winpenpack version. Those revisions are very stable.

Review by Wilson on Sep 13, 2021 Version: 2.7.8 OS: Windows 8 64-bit Ease of use: 5/10 Functionality: 8/10 Value for money: 10/10 Overall: 6/10

Rating by max on Aug 15, 2021 Version: AviDemux 2.7.8 OS: Windows 7 64-bit Ease of use: 10/10 Functionality: 10/10 Value for money: 10/10 Overall: 10/10

Rating by Mixmatch on Feb 8, 2021 Version: 2.7.7 OS: MacOSX Ease of use: 9/10 Functionality: 9/10 Value for money: 10/10 Overall: 9/10

To get this to now work in XP you must disable disable DXVA2 in the display option in preferences. Choose OpenGL instead in the display box and 'Don't' tick the below GUI option OpenGL. Leave it alone or the program won't open. Do all these things and runtime errors disappear.

This will most likely be the last working version of Legacy XP. The xPenpack portable works really well. Also in 2.7.6 the shutdown feature after encoding has thankfully been restored.

Review by Aaron on Feb 5, 2021 Version: 2.7.6 OS: WinXP Ease of use: 9/10 Functionality: 9/10 Value for money: 10/10 Overall: 9/10

230 reviews, Showing 1 to 5 reviews

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