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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.

8.8/10
169 votes
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Screenshots

MKVToolNix screenshot

MKVToolNix screenshot 2

MKVToolNix screenshot 3
Latest version

68.0.0 (May 22, 2022)



Download


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Download MKVToolNix 68.0.0 Windows 64-bit  25MB  Win64

Download MKVToolNix 68.0.0 Windows  25MB  Win

Download MKVToolNix 68.0.0 Mac  37MB  Mac

Download MKVToolNix 68.0.0 Linux 64-bit  50MB  Linux64




Download Portable and other versions

Download MKVToolNix 68.0.0 Portable Windows 64-bit  24MB  Win64  Portable

Download MKVToolNix 68.0.0 Portable Windows  24MB  Win  Portable




Download old versions


Download MKVToolNix 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

Download mkclean 0.9.0 Win64, it is a command line tool to clean and optimize Matroska files.

Download mkvalidator 0.6.0 Win64, it is a command line tool to verify Matroska and WebM files.

Download mkvalidator GUI Win64, it is a frontend for mkvalidator. Requires .NET 4.8.

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 / What's New


# Version 68.0.0 "The Curtain" 2022-05-22

## New features and enhancements

* mkvmerge: HDMV PGS subtitles: mkvmerge now tries to detect bogus timestamps (where the current timestamp is two hours or more after the previous timestamp) & correct them to something more sensible (1s after the previous timestamp). That way one bogus timestamp cannot cause the rest of the frames to not be interleaved properly with the other audio & video packets. Implemented for #3268.
* mkvmerge: added colour information, colour mastering meta information & video projection information properties to the JSON identification format. The properties are reported for container types for which mkvmerge supports reading them (Matroska & MP4). The JSON identification format version number has been bumped to v15.
* MKVToolNix GUI: multiplexer: added controls for all the video colour information & the video projection information.

## Bug fixes

* mkvmerge: SRT reader: entries with a duration of 0 or less will now be skipped. Fixes #3332.
* mkvpropedit, MKVToolNix GUI's chapter & header editors: fixed an invalid memory access when trying to update existing Matroska files whose EBML Head element had a "size" field length of eight bytes, and where rewriting said element would shrink the element by one byte. Files created by gstreamer fit the first part whereas the second depends on the changes requested by the user. Part of the fix of #3325.
* mkvpropedit, MKVToolNix GUI's chapter & header editors: fixed the programs not handling having to remove EBML void elements at the end of the file correctly and consequently aborting. Part of the fix of #3325.
* MKVToolNix GUI: the GUI now uses almost all SVG icons, allowing proper scaling even for scaling factors such as 125%. Fixes #3335.
* MKVToolNix GUI: when compiled with Qt 5 the character set of INI files is forced to UTF-8 in order to fix reading INI files written by a version compiled with Qt 6. Fixes #3346.

## Build system changes

* Qt's SVG library is now required.

View full changelog




Sections/Browse similar tools






Alternative to MKVToolNix


MetaFox



MKVcleaver



MKVExtractGUI and MKVE Wizard



OGMcleaver







Guides and How to's


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 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

MKVToolNix video tutorials



View all guides with guide description here




Acronyms / Also Known As

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



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



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170 reviews, Showing 1 to 5 reviews


OVERDUE WARNING:
"Supported Windows versions are Windows 10, Windows Server 2012 and newer."
The last version compatible with Windows 7 is the one I'm using right now
(64.0.0.45).
The cause of the incompatibility with Windows 7 is the ""latest and greatest"" version of the QT graphical interface.
The author of MKVtoolnix not only uses it when he would not have to,
but also makes QT a requirement for building the non-GUI (command-line) applications of the suite.


Review by El Heggunte on Mar 27, 2022 Version: 64.0.0.45 OS: Windows 7 64-bit Ease of use: 9/10 Functionality: 9/10 Value for money: 10/10 Overall: 8/10




chucknolan, it's easy to "preserve the original date or make a new one." I personally always set the time/date to the beginning of that year. For instance, everything that I mux in that calendar year will show UTC 2022-01-01 00:00:00 all by adjusting the cpu clock before starting the mux. It takes a minute longer but my info looks damn good lol

Review by hardy on Feb 7, 2022 Version: 51.0.0 OS: Windows 10 Ease of use: 10/10 Functionality: 10/10 Value for money: 10/10 Overall: 10/10




Does anyone have an idea on how to preserve the original "Encode Date", via MediaInfo.exe, after remuxing? I am aware that ffmpeg is capable of doing it, but I prefer using MKVToolNix (mkvmerge.exe) because the .mkv output is much better regarding MediaInfo.exe information? Basically, is there a command such as "--preserve encode date" available for mkvmerge.exe? Moreover, to the creator of MKVToolNix, if you're reading this, thank you for creating this program because it has served me very well.

Review by chucknolan on Dec 30, 2021 Version: 64.0.0 OS: Windows 10 64-bit Ease of use: 10/10 Functionality: 10/10 Value for money: 10/10 Overall: 10/10




People... really... WOW, longwin, write one yourself and let people like yourself, cut down all your hard work, that should make YOU feel REAL GOOD, Right? Oh, wait, you don't know how, you can only gripe about what others are doing for free. Don't bother to THANK them for all the time they do spend on developing the software and to GIVE IT AWAY... I got an idea, how about reporting the bug and go on about your business... sounds like you don't have a clue of what goes into developing software for other people to use and for them to download it, then try to install it on thousands of different computer hardware set ups & different version of Windows etc.. and the USERS computers having all kinds of buggy issues, then in turn, they GRIPE at the developers, which tries very hard to understand all the peoples issues and helps them out by staying up late nights and put TONS of hour into it, but you go ahead and bitch, moan, groan and gripe about it, they all deserve your hateful, spiteful temperament. I don't know of any good/great software that isn't updated on a regular basis to keep all people happy in use it... well almost ALL people.

I use this software a lot and it always works 100% of the time and my THANKS goes out to the people that make this software possible!!!


Review by SparkyKid on Aug 13, 2021 Version: MKVToolNix 6.0 OS: Windows 10 64-bit Ease of use: 10/10 Functionality: 10/10 Value for money: 10/10 Overall: 10/10




The author fixed so many bugs and create a new one (as far as I know).

So the program always has bugs to fixed. And version number will be 1000.0 soon.

After running mkvmerge, the information throwed by program is garbage.

May be this fixed and another new one is created.


Review by longwin on Aug 13, 2021 Version: 60.0 OS: Windows 7 Ease of use: 10/10 Functionality: 1/10 Value for money: 1/10 Overall: 1/10


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