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MKVtoolnix is a set of tools to create, alter, split, join and inspect Matroska files(mkv). With these tools one can get information about (mkvinfo) Matroska files, extract tracks/data from (mkvextract) Matroska files and create (mkvmerge) Matroska files from other media files. Matroska is a multimedia file format aiming to become THE new container format for the future. Use MKVCleaver or gMKVExtractGUI to extract/demultiplex mkv video and audio files.

Free software
OS:Windows MacOS Linux
Released:Nov 30, 2016
File size:13.8MB
Portable version
Old versions available
Version history available
107 votes

MKVToolnix screenshot
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Latest version

9.6.0 (November 30, 2016)

Download sites

Visit developer's site

Download MKVToolnix 9.6.0  [Direct link 13.8MB]  [Win]

Download MKVToolnix 9.6.0 64-bit  [Direct link 13.8MB]  [Win64]

Download portable, Mac, Linux and other versions

Download MKVToolnix 9.6.0 portable  [Direct link 12.1MB]  [Win]

Download MKVToolnix 9.6.0 portable 64-bit  [Direct link 12.3MB]  [Win64]

Download MKVToolnix Mac version  [Direct link 18.5MB]  [Mac]

Download MKVToolnix Linux version  [Linux]

Download old versions

Download MKVToolnix old versions

Supported operating systems

WinWindows MacMac OS LinuxLinux

More information and other downloads

Use MKVCleaver or gMKVExtractGUI to extract/demultiplex mkv video and audio files.

Download jMkvpropedit here, a GUI for mkvpropedit. Set default audio, video tracks.

If you prefer the old mmg/mkvmergegui then download MKVtoolnix version 8.3.0 or older.

Version history / Release notes / Changelog

2016-11-29 Moritz Bunkus <>
* Released v9.6.0 "Slave To Your Mind".

2016-11-28 Moritz Bunkus <>
* mkvmerge & mkvextract: added support for HDMV TextST subtitles.

2016-11-20 Moritz Bunkus <>
* mkvextract: VobSub bug fix: mkvextract will add a "langidx" line to the .idx file upon extraction. Fixes #1810.

2016-11-14 Moritz Bunkus <>
* MKVToolNix GUI: multiplexer enhancement: added a column "source file's directory" to the track list. Implements #1809.
* MKVToolNix GUI: multiplexer enhancement: added an option for selecting all tracks of the currently selected source files in the source file context menu. Inspired by #1809.

2016-11-07 Moritz Bunkus <>
* MKVToolNix GUI: job output tool bug fix: the button for acknowledging warnings & errors wasn't properly disabled when the user used outside methods of acknowledging them (e.g. via the menu or via the job queue). Fixes #1802.

2016-10-31 Moritz Bunkus <>
* mkvmerge: MPLS parser bug fix: fixed reading the "in" & "out" timestamps for "play items". This bug resulted in mkvmerge not reading the correct range from the referenced M2TS file under certain rare circumstances.

2016-10-30 Moritz Bunkus <>
* mkvmerge: bug fix: mkvmerge was entering endless loops under certain conditions when appending files. This was a regression introduced with the fix to #1774 (using very large --sync values causing mkvmerge to abort).

2016-10-23 Moritz Bunkus <>
* MKVToolNix GUI: new feature: added options in the preferences to only show the list of often used languages/country codes/character sets in their respective selections instead of both the often used and the full list. Implements #1796.

View full changelog

Sections/Browse similar tools

Alternative to MKVToolnix


MKVExtractGUI and MKVE Wizard


Guides and How to's

How to add subtitles to .mkv files using mkvmerge GUI

- Read

How to convert MKV to DivX / Demultiplex MKV to video and audio files

- Read

How to convert MKV to MPG (VCD,SVCD or DVD)

- Read

How to convert MKV video files to AVI

- Read

How to cut/split/extract parts from a mkv including all audio and subtitle tracks

- Read

How to rip a Blu-ray disc and remux it to MKV

- Read

Using Handbrake to Burn in Subtitles from MKV to MP4

- Read
View all guides with guide description here

Acronyms / Also Known As

mkvmerge, mkvmerge gui,mmg, mkvmergegui, mkvextract, mkvpropedit, mkvinfo, mkvtoolnix gui, mkvtoolnixgui

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108 comments, Showing 1 to 5 comments

I have enjoyed using this for years. Until i recently downloaded the more recent versions and found the tool i used the most, mmg.exe is no longer included! The developer seems to have dropped the most used tool from this package, with, i suppose, a view to forcing us onto the less intuitive gui .
No thanks. I decided to uninstall and go back to version 8.20 which works very well and had the old, intuitive and great interface and features.

Apr 10, 2016 by FaeGiN Version: 9.0.1 OS: Windows 7 64-bit Ease: 6/10 Functionality: 4/10 Value: 8/10 Overall: 4/10

Mediainfo supports since v0.7.80 the statistic tags of Mkvmerge, it uses them for more precise bitrate calculation per track and now the tags aren't showed in the general section anymore (I didn't like those capital letter tags too). So you don't need to add a commandline option to remove them. The statistic tags are important for Mediainfo to calculate the bitrate of each track, if all tracks in the file have variable bitrate. Without the statistic tags Mediainfo doesn't show the bitrate per track, it shows just the overall bitrate. Also Mediainfo didn't show bitrate per track in a MKV file with combination of AVC and AAC at cbr, but now due to statistic tags it does.

Dec 3, 2015 by Rodion Version: 8.3.0 OS: Windows 10 64-bit Ease: 10/10 Functionality: 8/10 Value: 9/10 Overall: 8/10

And in this 'permanent comment section' I wrote all my votes about this software... 10-10-10-10
Then, I'm not interested between the new or the old GUI; thanks to the developer for any improvements and if he wants change GUI I'll simply get use to it.
Only asked about a setting that maybe I didn't find. However, I referred to these little windows that appear when mouse passes over an item:

Oct 17, 2015 by UserBio Version: 8.4 OS: Windows 7 64-bit Ease: 10/10 Functionality: 10/10 Value: 10/10 Overall: 10/10

***For Ally68***

You can disable the generation by passing mkvmerge the option --disable-track-statistics-tags. In mmg you can add that option via the Muxing &#8594; Add command line options dialog.

Note that if you re-mux a file containing these tags then you have to disable reading tags fromt the source file in addition to disabling the generation of new statistics tags with --disable-track-statistics-tags

Oct 17, 2015 by angel181155 Version: 8.4.0 OS: Windows 7 64-bit Ease: 10/10 Functionality: 10/10 Value: 10/10 Overall: 10/10

Sorry to disagree ndjamena, but when "something that's new and not even remotely finished yet"
shouldn't be forcefully implemented. I'm still using 7.90, because my muxing needs are very simple
and the new Gui design, at least for me, extremely complicated.

Oct 16, 2015 by locotus Version: 8.40 OS: Vista 64-bit Ease: 8/10 Functionality: 6/10 Value: 10/10 Overall: 8/10

108 comments, Showing 1 to 5 comments

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