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MKVtoolnix is a set of tools to create, alter, split, join and inspect Matroska files(mkv). Command line tools but mkvmergeGUI/mmg.exe frontend is included. Use MKVExtractGUI-2 to extract/demultiplex mkv video and audio files.

Free software
Win Win Mac Mac Linux Linux

Version:8.1.0 History
Released:

Size:18.2MB

Portable version



8.8/10
91 votes


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  Latest version:
8.1.0 (June 27, 2015)


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Download MKVToolnix 8.1.0 (direct link) (18.2MB)

Download MKVToolnix 8.1.0 64-bit (direct link)


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Download MKVToolnix Linux version


Download MKVToolnix old versions


Sponsored software:



Supported operating systems:
Windows Mac OS Linux


More information and other downloads:
Use MKVExtractGUI-2 to extract/demultiplex mkv video and audio files.

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


Sections/Browse similar tools:
Linux video toolsMacOS video toolsVideo De/Multiplexers

MKVToolnix screenshot
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Version history / Release notes / Changelog:
2015-06-27 Moritz Bunkus <moritz@bunkus.org>
* Released v8.1.0.
* mmg: bug fix: fixed handling of the characters [ and ] in container and track properties.
* MKVToolNix GUI: merge tool enhancement: moved the »output file name« controls below the three tabs so they're always visible. Also added an option in the preferences to move them back inside the »output« tab. Implements #1266.

2015-06-26 Moritz Bunkus <moritz@bunkus.org>
* MKVToolNix GUI: new chapter editor feature: added a function for generating a certain number of evenly spaced sub-chapter. Implements #1291.
* MKVToolNix GUI: merge tool bug fix: fixed various menu entries not working correctly after closing a tab or switching to another one. Fixes #1301.

2015-06-25 Moritz Bunkus <moritz@bunkus.org>
* MKVToolNix GUI: new chapter editor feature: implemented loading chapter entries from Blu-ray playlists.
* MKVToolNix GUI: job queue enhancement: added menu entries for acknowledging both warnings and errors at the same time.

2015-06-24 Moritz Bunkus <moritz@bunkus.org>
* MKVToolNix GUI: merge tool bug fix: if »automatically set the file title« is enabled then the title field will be cleared after all source files have been removed.
* MKVToolNix GUI: new watch jobs tool feature: the first tab showing the output of the current job has been changed to show the output of all jobs that have been run since the GUI's been started. This can be turned off in the preferences so that only the output of the currently running job is shown again. Implements #1263.
* MKVToolNix GUI: merge tool bug fix: fixed a crash when enabling/disabling chapters coming from an appended file. Fixes #1293.
* MKVToolNix GUI: new merge tool feature: added an option to set a directory relative to the first input file as the default output directory. Implements #1261.
* MKVToolNix GUI: merge tool bug fix: it was possible to set the »default track flag« to »yes« for multiple tracks of the same type. Fixes #1289.
* MKVToolNix GUI: enhancement: the »open file« dialogs for the chapter and header editor tools will use the same directory that was last used in the merge tool. Fixes #1290.

2015-06-23 Moritz Bunkus <moritz@bunkus.org>
* MKVToolNix GUI: bug fix: fixed reading the »default track« flag of tracks from added Matroska files. Fixes #1281.
* MKVToolNix GUI: new feature: added a check box to the track/chapters/tags/attachments list. This offers an additional way of toggling the »mux this« state of entries, same as the drop down box on the right and as double-clicking on the item already did. Implements #1277.
* MKVToolNix GUI: merge tool bug fix: when appending files with multiple tracks of a type (e.g. multiple audio tracks) then all tracks of that kind would get assigned to the first track of that kind of the file they're appended to. Now the second audio track from the appended file is appended to the second audio track of the existing file, the third to the third etc. Fixes #1257.
* MKVToolNix GUI: merge tool bug fix: fixed automatic output file name re-generation when the mux status of tracks changes. Fixes #1253.
* MKVToolNix GUI: new feature: added an option for always using the suggested description and not asking the user when adding a job to the queue. Implements #1288.
* MKVToolNix GUI: job queue enhancement: added the shortcut Ctrl+R for the menu entry »start all pending jobs«. Implements #1287.
* MKVToolNix GUI: new feature: added an option to always treat files dragged & dropped external applications as being added circumventing the question what to do with them (add, append or add as additional parts). This option is enabled by default changing the default behavior from release 8.0.0. Implements #1259.
* MKVToolNix GUI: new feature: added an optional action after starting a job or adding one to the queue. This can be either to create whole new settings or to only remove all input files. Implements #1254.
* mmg: bug fix: the deprecation warning will only be shown once. Fixes #1252.
* Installer for Windows: enhancement: associated the .mtxcfg files with MKVToolNix GUI. Implements #1258.
* MIME and desktop files: enhancement: added file associations for .mtxcfg with MKVToolNix GUI. Implements #1258.

2015-06-22 Moritz Bunkus <moritz@bunkus.org>
* MKVToolNix GUI: new feature: implemented command line handling. You can open configuration files, add files to merge jobs, open files in the chapter or header editors. Implements #1209.

2015-06-21 Moritz Bunkus <moritz@bunkus.org>
* mkvmerge: bug fix: fixed recognition of (E)AC3 audio tracks using a FourCC of »ec-3«. Fixes #1272.
* MKVToolNix GUI: merge tool bug fix: fixed attachments not being merged into the file in certain situations. Fixes #1260.
* MKVToolNix GUI: merge tool bug fix: fixed showing existing attachments present in source files in the »tracks, chapters, tags and attachments« list. Fixes #1256.
* MKVToolNix GUI: merge tool bug fix: the jobs created when appending files were incorrect resulting in an error message from mkvmerge. Fixes #1271.
* mkvpropedit: bug fix: fixed a warning about »edit specifications resolving to the same track« when changing the track properties and setting tags for the same track simultaneously. Fixes #1247.
* MKVToolNix GUI: merge tool bug fix: the output/destination file name is cleared when all files are removed. Fixes #1265.
* MKVToolNix GUI: merge tool bug fix: fixed command line escaping for empty arguments. Fixes #1270.
* MKVToolNix GUI: merge tool bug fix: fixed creating files without a title if one of the input files contains a file title. Fixes #1264.
* MKVToolNix GUI: bug fix: if the job removal policy is set to »remove even if there were warnings« then jobs that were muxed without warnings weren't removed. Fixes #1262.

2015-06-20 Moritz Bunkus <moritz@bunkus.org>
* Build system: fixed inclusion of desktop files for the two GUIs for Debian/Ubuntu packages. Fixes #1255.

View full changelog



Alternative to MKVtoolnix:
MKVcleaver
MKVExtractGUI & MKVE Wizard
OGMcleaver



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 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
How to split MKV files using MKVToolnix - 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

Comments

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92 comments, Showing 1 to 25 comments
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Excellent program. Regular Improvements. It has saved me a lot of time and frustration. Thanks to "Moritz Bunkus" Program developer. Keep up the GREAT WORK.


Posted June 30, 2015 by . Tool version 8.1.0 using OS Vista 64-bit
Ease of use 10 of 10 Functionality 10 of 10 Value for money 10 of 10 Overall score 10 of 10


@b8375629: You seriously came here to rate this prog bad, complaining about a lackin batch/job queue function!?
Earned the price for the most self embarassing comment all around, also "value for money 1/10"? Really, so how much you paid for it? Stupid kids on the i-net, gotta love them :)
Great great tool set, thanks for that! (don't like the new Gui too much yet, though :/)



Posted June 21, 2015 by . Tool version 8.0.0 using OS Windows 7 64-bit
Ease of use 9 of 10 Functionality 10 of 10 Value for money 10 of 10 Overall score 10 of 10


Avast say - Win32:Evo-gen (Susp).
False alarm, I guess.



Posted May 10, 2015 by . Tool version 7.90 using OS Windows 7 64-bit
Ease of use 10 of 10 Functionality 10 of 10 Value for money 10 of 10 Overall score 10 of 10


@b8375629 there IS a job queue function. You just don't know how to use the program. Ctrl-J brings up the queue. there is a big button at the bottom to "add to job queue".


Posted April 03, 2015 by . Tool version 7.8.0 using OS Windows 8 64-bit
Ease of use 8 of 10 Functionality 10 of 10 Value for money 10 of 10 Overall score 10 of 10


I cannot split m4a files with chapters anymore... It just creates 1 mkv file and not separate mka ones


Posted April 03, 2015 by . Tool version 7.8 using OS Windows 7 64-bit
Ease of use 10 of 10 Functionality 10 of 10 Value for money 10 of 10 Overall score 10 of 10


Fanboy damage control aside, I stand by my earlier statement. This program is quite tedious and time-consuming when processing multiple files. The job queue 'isn't the best' because there is no job queue function to begin with. This is not a minor drawback in today's day & age.


Posted March 25, 2015 by . Tool version 7.7.0 using OS Windows 7
Ease of use 5 of 10 Functionality 2 of 10 Value for money 1 of 10 Overall score 2 of 10


No other program does what this does. This is the way to multiplex mkv PERIOD. Despite some minor drawbacks (e.g. the job queue isn't the best) it always does a good job, never crashes, constant development. Kudos for this remarkable tool.


Posted March 09, 2015 by . Tool version 7.7.0 using OS Windows 8 64-bit
Ease of use 8 of 10 Functionality 10 of 10 Value for money 10 of 10 Overall score 9 of 10


This program lacks a batch file function. Many of today's encoders have the capability of putting multiple .mkv or .avi files into a que list for processing. If one has say 15 - 20 video files from a series, it gets quite tedious ticking and un-ticking boxes, doing each file one at a time. Pretty lacking by today's standards.


Posted March 09, 2015 by . Tool version 7.7.0 using OS Windows 7
Ease of use 5 of 10 Functionality 2 of 10 Value for money 1 of 10 Overall score 2 of 10


I thought it was failing to append for no good reason, but but the snippet I'd cut off to join (with another program) had gotten converted rather than copied.


Posted February 17, 2015 by . Tool version 7.6.0 using OS Windows 7 64-bit
Ease of use 8 of 10 Functionality 8 of 10 Value for money 10 of 10 Overall score 9 of 10


Both portable versions download ok with Avast running and can be scanned by Avast without problems.


Posted February 12, 2015 by . Tool version 7.6.0 using OS Windows 7
Ease of use 9 of 10 Functionality 9 of 10 Value for money 9 of 10 Overall score 9 of 10


I had no problems as usual installing MkvToonix 7.6.0..I ran Malwarebytes malware scans on the package as well as the install and everything cam up clean and the program works fine.I have been using it since it came out on the 8th..The problem is Avast and thats why I opted for a different anti virus years ago..Good Luck..;)~


Posted February 12, 2015 by . Tool version 7.6.0 using OS Windows 7 64-bit
Ease of use 10 of 10 Functionality 9 of 10 Value for money 10 of 10 Overall score 10 of 10


Me too.I couldn't download the latest release (mkvtoolnix 7.6.0). Avast blocks the download and says it's infected with "Win32:Evo-gen [Susp]". Version 7.5.0 works fine.



Posted February 12, 2015 by . Tool version 7.6.0 using OS Windows 7
Ease of use 10 of 10 Functionality 10 of 10 Value for money 10 of 10 Overall score 10 of 10


I couldn't download the latest release. Avast blocks the download and says it's infected with "win32:Evo-gen". Version 7.5.0 works fine. This tool is a must for anyone working with mkv file.


Posted February 11, 2015 by . Tool version 7.6.0 using OS Windows 7 64-bit
Ease of use 7 of 10 Functionality 10 of 10 Value for money 10 of 10 Overall score 10 of 10


MKVToolnix is a great tool, but not without flaws.

To begin with it would be appreciated that ANSI subtitle files would be auto-converted to UTF-8 on some languages, otherwise some characters won't show fine.

There are some issues when muxing with contained files, like say, a h264 stream and a mp4 contained AAC stream. In this situation it's possible the audio won't play in your output file.

I would also had like for some time now that you could choose what pieces to keep when splitting a file, avoiding to write to disk the whole video.

Normally when muxing out a file you will encounter some errors in the log window. Sometimes without describing exactly the reason, nor allowing you to find it somewhere else on the net, leaving you wondering.

Finally in recent versions, probably since 7.0.0, MKVToolNix takes almost double the time for the remux (ie 6 minutes instead of 3). This was voiced in its support thread but nobody replied back. My system is a standard recent one 4670K, 8Gb 1600, 750 Ti on Win7x64 SP1, so this is something that should affect generally and a serious regression in my humble opinion.



Posted February 10, 2015 by . Tool version 7.5.0 using OS Windows 7 64-bit
Ease of use 8 of 10 Functionality 7 of 10 Value for money 9 of 10 Overall score 8 of 10


This is hands-down the BEST video editing software in the market, period !! I have been using mkvtollnix since version 7.1.0, converted many of my Blu-ray to MKV files from various formats (DTS HDMA, TrueHD, m2ts, ts, etc.), as well as adding additional audio/subtitle tracks to a movie, it is extremely reliable and very simple to use. I also use tsMuxeR, but my experience is that txMuxeR is less reliable, it actually failed on me on multiple occations. Since version 7.2.0, mkvtoolnix added support for "play-list" (.mpls) files - this is freaking awesome, it is very helpful if you want to convert the "seamless branching" Blu-rays, mkvtoolnix will read the Blu-ray structure for you, and you no longer need to add each A/V file individually to the main page in order to piece them together for the whole movie.


Posted October 23, 2014 by . Tool version 7.3.0 using OS Windows 8 64-bit
Ease of use 10 of 10 Functionality 10 of 10 Value for money 10 of 10 Overall score 10 of 10


The author of MKVtoolnix already wrote a FAQ-entry about the non-existent problem:

https://trac.bunkus.org/wiki/FAQ%3AVirusInInstaller



Posted September 13, 2014 by . Tool version 7.1.0 using OS WinXP
Ease of use 9 of 10 Functionality 10 of 10 Value for money 10 of 10 Overall score 10 of 10


Installed on my system with no issues,running Microsoft security essentials,sounds like a bogus report from panda,no need to ask the authors.


Posted September 13, 2014 by . Tool version 7.2 using OS Windows 7 64-bit
Ease of use 10 of 10 Functionality 10 of 10 Value for money 10 of 10 Overall score 10 of 10


I ran the MKVtoolnix 7.2.0 on both Portable and Installer through VirusTotal and Panda reports "Eicar.Mod" as a Suspicious file. I then checked MKVtoolnix 7.1.0 and it is Clean. So, may be the Author can shed some light on this, until then I am staying with 7.1.0 Portable.


Posted September 13, 2014 by . Tool version 7.2.0 using OS Vista 64-bit
Ease of use 10 of 10 Functionality 10 of 10 Value for money 10 of 10 Overall score 10 of 10


Easy to use tool for multiplexing Matroska streams with a Windows native GUI. Flexible, logically organized, and supports almost all source formats well. De facto standard.

The existance of this GUI program is a major reason for the success of MKV. Creating files this format is so much easier and overall more reliable than working with AVIs or MPEG Programs, let alone MP4s. Last time I checked, MkvToolNix did not have a tag editor. And it is not a coincidence that very few other programs can display tags, and nearly no releases are actually tagged. (It is possible to use a recent version of foobar2000 for fast, customizable tagging.)

During its development, the author has made a number significant changes to the format of files written by MkvToolNix, such as the format of MPEG sequence headers, stream header compression, and presence of a seek element, which might not be immediately apparent. Some of these changes had since been reverted. I would excercise caution before upgrading to a new version, thoroughly read the changelog and test that the output files are working on all devices and players they are intended to work, and that no unexpected artifacts appear and seeking works.



Posted July 05, 2014 by . Tool version 2.2.0 using OS WinXP
Ease of use 9 of 10 Functionality 8 of 10 Value for money 10 of 10 Overall score 9 of 10


Great piece of software to remux!


Posted May 17, 2014 by . Tool version 6.9.1 using OS Windows 7 64-bit
Ease of use 9 of 10 Functionality 10 of 10 Value for money 10 of 10 Overall score 10 of 10
Guides: See homepage and program help file.


After a lot of searching I post two .bat files for batch convert and change aspect ratio of video files. If someone is interested here are the links http://www.4shared.com/file/jB20kg2Aba/MKV_Toolnix_x86.html and http://www.4shared.com/file/onaCN4pcce/MKV_Toolnix_x64.html. Also I would like to thank all the people here in videohelp.com. They helped me a lot when I first started back in 2009. And even though I haven't been here many times since then I feel very greatful.
*Please an administrator delete my previous comment in mkv toolnix section. Thank you.



Posted May 11, 2014 by . Tool version 6.9.1 using OS WinXP
Ease of use 9 of 10 Functionality 9 of 10 Value for money 9 of 10 Overall score 9 of 10
Guides: http://www.4shared.com/file/jB20kg2Aba/MKV_Toolnix_x86.html http://www.4shared.com/file/onaCN4pcce/MKV_Toolnix_x64.html


@ }{eywood, this is a GREAT Tool & a Life-Saver for a lot of people, why knock it down for something that Author does NOT even Claim to do. Read this < http://matroska.org/technical/guides/faq/index.html >

@ netmask56, I just went to Bunkus Site ... and Nothing about HeartBleed warning ... can you post the link.

MKVtoolnix 6.9.1 working just FINE for me as usual for me ... THANKS Bunkus! :)



Posted April 18, 2014 by . Tool version 6.9.1 using OS Vista 64-bit
Ease of use 10 of 10 Functionality 10 of 10 Value for money 10 of 10 Overall score 10 of 10


WARNING: If you go to the author's site rather than use the direct download provided by Videohelp there is a HeartBleed warning.


Posted April 18, 2014 by . Tool version 6.9.1 using OS Windows 7
Ease of use 8 of 10 Functionality 9 of 10 Value for money 10 of 10 Overall score 9 of 10


great tool, but I don't like the lack of .wmv support. Also, some videos are stuck in permanent pause mode. The video is all there, but it stays frozen. Advancing it by seeking brings you to wherever you want, but still no movement. Splitting by timecode is a great idea, but the program seems to split on keyframes rather than where you tell it. Many videos can only be split at 10 second intervals regardless of what timecode you enter


Posted March 10, 2014 by . Tool version 3.3.0 using OS Windows 7
Ease of use 8 of 10 Functionality 5 of 10 Value for money 10 of 10 Overall score 7 of 10


Great job switching to 64bits (at least for me it is), but it has a few bugs: if you had installed a previous version (I had v6.7.0 x32) it was (default) installed on a 64bits machine in C:\Program Files (x86)\MKVToolNix, but v6.8.0 x64 (also default) installs in C:\Program Files\MKVToolNix; so at first use MKVExtractGUI2 (which I use as GUI) doesn't seem to find the MKVToolNix executables, searching for the older path, and also demanding to be copied in the same directory as MKVToolNix (although is was copied in the new installed location). The only solution (that I've found) was to manually modify all the entries from the registry (C:\Program Files\MKVToolNix instead of C:\Program Files (x86)\MKVToolNix) and also modifying the Privilege Level of MKVExtractGUI2 (from file's Proprieties->Compatibility Tab->Privilege Level) to "Run this program as an administrator". From here, all seems to be back on the track...


Posted March 04, 2014 by . Tool version 6.8.0 using OS Windows 7 64-bit
Ease of use 10 of 10 Functionality 7 of 10 Value for money 10 of 10 Overall score 9 of 10

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