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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:7.8.0 History
Released:

Size:15.7MB

Portable version



8.8/10
88 votes


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  Latest version:
7.8.0 (March 27, 2015)


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Download MKVToolnix 7.8.0 (direct link) (15.7MB)

Download MKVToolnix 7.8.0 64-bit (direct link)


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Download MKVToolnix 7.8.0 portable (direct link)

Download MKVToolnix 7.8.0 portable 64-bit (direct link)

Download MKVToolnix Mac version (direct link)

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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Email me when it has been updated    Report this tool (dead link/new version)  


Version history / Release notes / Changelog:
2015-03-27 Moritz Bunkus <moritz@bunkus.org>
* Released v7.8.0.
* build system: Boost's »Math« library is now required.
* mkvmerge: bug fix: HEVC tracks which did not have an aspect ratio present in their sequence parameter set were copied incorrectly; the resulting sequence parameter set was invalid. Fixes #1081.
* mkvextract: bug fix: When extracting HEVC tracks mkvextract will use the same start code lengths that x265 uses (four bytes 0x00000001 for the first and video/picture/sequence parameter set NALs and three bytes 0x000001 for all others).

2015-03-26 Moritz Bunkus <moritz@bunkus.org>
* mkvmerge: enhancement: File type identification will output a more detailed description of the DTS type for DTS audio tracks (DTS-HD Master Audio, DTS-HD High Resolution, DTS Express or just plain DTS). Implements #1109.
* mkvmerge: new feature: Implemented support for DTS Express.

2015-03-25 Moritz Bunkus <moritz@bunkus.org>
* mkvmerge: bug fix: The number of channels in DTS tracks with more than six channels is now recognized correctly by parsing the DTS HD extensions, too. Fixes #1139.

2015-03-24 Moritz Bunkus <moritz@bunkus.org>
* all: new feature: added a Swedish translation of the programs by Kristoffer Grundström (see AUTHORS).

2015-03-24 Mats Peterson <matsp888@yahoo.com>
* mkvmerge: bug fix: Fixed handling of the BITIMAPINFOHEADER extra data size handling during merging and extraction for codecs like HuffYUV.

2015-03-23 Moritz Bunkus <moritz@bunkus.org>
* mkvmerge: bug fix: When appending unframed HEVC/h.265 tracks and setting the default duration the second and all following source parts will use the same default duration as set for the first part. Fixes #1147.
2015-03-17 Moritz Bunkus <moritz@bunkus.org>
* mkvmerge: bug fix: enabled the use of tags in WebM files. Tagging elements not supported by the WebM specs are removed. Fixes #1143.

2015-03-13 Moritz Bunkus <moritz@bunkus.org>
* mkvmerge: bug fix: fixed detection of audio tracks in QuickTime files whose FourCC code is unknown to mkvmerge.

2015-03-11 Moritz Bunkus <moritz@bunkus.org>
* mkvmerge: bug fix: fixed detection of video tracks in QuickTime files whose FourCC code is unknown to mkvmerge.

2015-03-10 Moritz Bunkus <moritz@bunkus.org>
* mkvextract: bug fix: Fixed VobSub file naming when mkvextract is built against Boost::Filesystem older than 1.50.0. Fixes #1140.

2015-03-09 Moritz Bunkus <moritz@bunkus.org>
* mkvmerge: bug fix: fixed detection of Cinepak video tracks in QuickTime files.
* mkvmerge: bug fix: fixed detection of PCM audio tracks in QuickTime files using the »raw « FourCC.
* mkvmerge: bug fix: fixed detection of tracks in Flash Video files for which the headers do not signal a track.
* mkvmerge: bug fix: fixed a segfault in the Flash Video file format reader.

2015-03-03 Moritz Bunkus <moritz@bunkus.org>
* mmg: The change making the window wider by default has been reverted.
* mkvmerge: bug fix: Fixed file type detection for MP3 files with big ID3 tags at the start of the file (e.g. if they contain cover images).
* mkvinfo (Qt interface): enhancement: implemented support for opening files via drag & drop.

2015-03-01 Moritz Bunkus <moritz@bunkus.org>
* mkvmerge: enhancement: added an option (--engage no_delay_for_garbage_in_avi) for disabling deriving a delay from garbage in audio tracks in AVI files. Requested in #1137.
* mkvmerge: bug fix: The formula used for calculating the audio delay for garbage data at the start of tracks in AVI files has been fixed. Fixes #1137.

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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89 comments, Showing 26 to 50 comments

tuco76 is right on the money. I've been looking for a tool to sort out audio/subs and it does just the job. Quick and easy to use. Many thanks to the developer.


Posted October 14, 2013 by . Tool version 6.4.1 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


Re: Post #12 by hello_hello - turning on "disable header removal compression for audio and video tracks by default" to fix files not playing on hardware players muxed with newer versions.

That was one of the first things I tried, right from the first version to implement it, but it has never made any difference. All files muxed with versions 4.0.0 and up will not play on any of my devices whether this setting is on or off. So something else is at fault. I've stayed with version 3.0.0 and have no problems.



Posted September 27, 2013 by . Tool version 3.0.0 using OS Windows 7
Ease of use 8 of 10 Functionality 8 of 10 Value for money 8 of 10 Overall score 8 of 10


First off: Its a great tool.-@ Post #2 by b8375629: Really? So, you cant download it from some site [which has nothing to do with the tool or its developer,besides, others obviously could)- and thats why you rate it down? SAY,HOW OLD ARE YOU? -
Anyway, I use this tool frequently, for years now. Never had any issue, everythings just fine.
While its steadily updated, its extremely versatile, as you can throw AVI, FLV, MP4 at it, set time delay, edit chapters, join MKVs etc. I use it mainly to dump unwanted audio-streams and for adding subs, at times for sync audiotracks. Its one small piece of essential, free software, it works like a charm and Im really thankfull M.Bunkus provided it. BTW if it wasnt for putting down one guys great work, it would be sort of amusing some comments I read.
GO LEARN INSTEAD OF BABYCRY, and BE THANKFULL, for its PROVIDED FOR FREE and ITS GREAT! ;)



Posted August 18, 2013 by . Tool version 6.3.0-1 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 just went to fosshub.com and downloaded 6.3.0-1 with no issues with firefox 22.0.


Posted August 03, 2013 by . Tool version 6.3.0-1 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


Wow, you go to the fosshub.com and they've disabled direct downloads using Firefox. I have the HTTP Referer enabled and yet I have to use IE to download it. What kind of bandwidth horseshit is that?

At least I can download it directly from videohelp. Still I'm rating it 1 = Bad for sending me to a download link that's disabled. Poor way to handle this.



Posted August 03, 2013 by . Tool version 6.3.0 using OS Windows 7
Ease of use 7 of 10 Functionality 7 of 10 Value for money 1 of 10 Overall score 1 of 10


For those who have seeking problems with VLC or with some hardware players, read solution here:
https://trac.bunkus.org/wiki/FAQ%3APlaybackDoesNotWorkVLCCannotSeekMkvmerge590



Posted April 12, 2013 by . Tool version 6.1.0 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 have a sony bdp-s380 and when i use the latest mkvmerge the mkv will not ff or rew,the fix i found was to use mkv chapterizer.


Posted April 11, 2013 by . Tool version 6.10 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 am using mkvmerge GUI for adding subtitle and creating of chapters on my movies collection. I found problem that after muxing fast forward functionality of mkv files disturbed. I played that file with vlc 2.0.5. It take much time in chapter skipping. And on the my SONY BDP-S380 its does not fast forward. I have not changed anything except subtitle adding on files. Before adding subtitle its work fine on my sony palyer and on vlc also. I need to fix this problem. I believe there is some problem with tool. Kindly check on it


Posted April 08, 2013 by . Tool version 6.1.0 using OS Windows 7 64-bit
Ease of use 9 of 10 Functionality 9 of 10 Value for money 9 of 10 Overall score 9 of 10


Excellent program that I have been using weekly for nearly 12 months. Mostly embedding SRT subs within MKV files and/or loading in other file formats to repackage in MKV container. For the newbie the ease of use is probably down near 3 so the assistance of someone who does know how to use could be a help. I didn't have that luxury so I simply experimented trying all the functions to see what would happen. It often amuses me when I see questions like "will this fix ...etc" Well my reaction is "just do it and find out for yourself"




Posted December 23, 2012 by . Tool version 5.9.0 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


The tool is not a scam you just have to know how to use it>by the way awesome tool will like to thank the author's for it!


Posted December 23, 2012 by . Tool version 5.9.0 using OS Windows 8 64-bit
Ease of use 10 of 10 Functionality 9 of 10 Value for money 10 of 10 Overall score 10 of 10


this software sucks. i thought it'll works. dont download it...it's a scam!!!


Posted December 23, 2012 by . Tool version 5.9.0 using OS Windows 7
Ease of use - of 10 Functionality - of 10 Value for money - of 10 Overall score 5 of 10


Great program Please don't post complaints or questions here. If you have problems and can't find an answer in the forums here then go to the 'Visit developer's site link" above.
will take you to this
15 Dec 2012: Closed the forum again and moved the "FAQ over to trac." (link)
Follow the link and search MKVToolNix bug tracker and FAQ.

The development team is very active and many bugs are fixed and versions are updated every 2 or months. (NOTE: I am just a user and not a member of the development team).



Posted December 18, 2012 by . Tool version 5.9.0 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


Header Stripping should be disabled by default in the next release. It would make it a lot easier for those having issues. The software works 100%. You just need to know what you are doing. Excellent work to the developers!


Posted October 31, 2012 by . Tool version 5.8.0 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


For those people who've left comments complaining about later versions of MKVMergeGUI creating MKVs which won't play on standalone devices, 99.99% of the time it's due to header removal compression. This feature is part of the MKV spec but it's not supported by many/most standalone devices. The solution is to go into MKVMergeGUI's options and to check "disable header removal compression for audio and video tracks by default". Once that's done MKVMergeGUI should once again create MKVs which will play on standalone devices.

Why header removal compression is enabled by default I don't know. It's probably the number one reason for "MKVs created by MKVMergeGUI won't play using my device" threads being started in forums. If not, it's maybe the only reason.

For those wishing to extract streams from MKV files, MKVCleaver is a nice companion tool to MKVMergeGUI.



Posted October 27, 2012 by . Tool version 5.8.0 using OS WinXP
Ease of use 10 of 10 Functionality 10 of 10 Value for money 10 of 10 Overall score 10 of 10


This is now working on EVERY FILE I try it with. I need to remove DTS or HD audio from files and replace with AC3 for my Samsung HDTV.
This is so simple a kid could use it.
GREAT UTILITY!



Posted July 01, 2012 by . Tool version 5.6.0 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


None of the files output from version 4.0.0 onwards will play in any of my devices (Blu-ray player, multi-media TV, DVB box). I either get a file format not supported error or it will cause the device to freeze and then go in to standby. Newer versions (from around 5.0.0) also for some reason incorrectly save the files as using variable frame rate mode when they are in fact constant. Earlier versions do not do this. I don't know which changes made are to blame, but files from 4.0.0 up just aren't as compatible as from versions before this. My scores therefore are for version 3.4.0 and earlier.


Posted June 17, 2012 by . Tool version 5.6.0 using OS Windows 7 64-bit
Ease of use 8 of 10 Functionality 8 of 10 Value for money 8 of 10 Overall score 8 of 10


Very useful tool to customize video files Thanks!!!


Posted March 06, 2012 by . Tool version 5.3.0 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


Files muxed with v5.3.0 does not work in XBMC.
If I mux them in an earlier version, it works.

Anyone else experienced this?



Posted March 01, 2012 by . Tool version 5.3.0 using OS Windows 7 64-bit
Ease of use 8 of 10 Functionality 8 of 10 Value for money 8 of 10 Overall score 8 of 10


Indeed, the problem is in your subs. I suggest Subtitle Edit. From the Tools tab you select Fix Common Errors. Check all the stuff you wish to fix. One option is to fix subs appearing on more than two lines.

If you are using Media Player Classic/ Home Cinema you can override the placement of subs
(Options->Subtitles->Default Style)



Posted January 10, 2012 by . Tool version 5.2.1 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


MKVtoolnix has got nothing to do with position of subtitles as far as I know.
If you have problems with subtitles, they are in the subtitles themselves.



Posted January 10, 2012 by . Tool version 5.2.1 using OS WinXP
Ease of use 10 of 10 Functionality 10 of 10 Value for money 10 of 10 Overall score 10 of 10


Great tool one small annoying problem is that subtitles appear to be restricted to the middle third of the screen and break over 3 to 4 lines. Cannot see how you can change this.


Posted January 10, 2012 by . Tool version 5.1.0 using OS Windows 7
Ease of use 10 of 10 Functionality 8 of 10 Value for money 10 of 10 Overall score 8 of 10


Confirming the issue mkvextractgui fails with mkvtoolnix v5.2.1 but works splendid with 5.2.0.
Extracts different tracks than selected, or gives error and doesnt extract anything, or extracts but doesnt create any file.



Posted January 08, 2012 by . Tool version 5.2.1 using OS Windows 7 64-bit
Ease of use 10 of 10 Functionality 1 of 10 Value for money 10 of 10 Overall score 10 of 10


The MKVExtractGUI-2 does not work with MKVToolnix v5.2.1


Posted January 02, 2012 by . Tool version 5.2.1 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


Works great as usual.
MKVCleaver is a bit dated and is broken with this version, try MKVExtractGUI-2.



Posted December 20, 2011 by . Tool version 5.2.0 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


Version 5.2.0 breaks MKVcleaver (it's extracting wrong tracks). Went back to 5.1.0 and all's fine. Great tool though.


Posted December 20, 2011 by . Tool version 5.2.0 using OS Windows 7
Ease of use 6 of 10 Functionality 9 of 10 Value for money 10 of 10 Overall score 8 of 10

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