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MKVtoolnix is a set of tools to create, alter, split, join and inspect Matroska files(mkv). Use MKVCleaver or gMKVExtractGUI to extract/demultiplex mkv video and audio files.

Free software
Win Win Mac Mac Linux Linux

Version:8.8.0
Released:

Size:13.3MB

Portable version

Old versions available

Version history available



8.8/10
106 votes


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  Latest version:
8.8.0 (January 10, 2016)



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Download MKVToolnix 8.8.0 (direct link)

Download MKVToolnix 8.8.0 64-bit (direct link)



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Download MKVToolnix 8.8.0 portable 64-bit (direct link)

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Download MKVToolnix Linux version



Download old versions:
Download MKVToolnix old versions



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Supported operating systems:
Windows Mac OS Linux



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.



MKVToolnix screenshot
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User options:
Email me when it has been updated    Report this tool (dead link/new version)  



Version history / Release notes / Changelog:
2016-01-10 Moritz Bunkus <moritz@bunkus.org>
* Released v8.8.0.

2016-01-09 Moritz Bunkus <moritz@bunkus.org>
* MKVToolNix GUI: "run program after XYZ" enhancement: added a button for executing the program right now as a test run. See #1570.
* MKVToolNix GUI: "run program after XYZ" enhancement: an error message is shown if the program couldn't be executed. See #1570.
* MKVToolNix GUI: "run program after XYZ" enhancement: any leading spaces in the executable path are removed in order to make copying & pasting less error-prone.
* MKVToolNix GUI: "run program after XYZ" bug fix: the paths used in the variables and the executable are converted to the platforms native path separators. This fixes compatibility with Windows applications that don't support the use of forward slashes in path names like e.g. VLC. See #1570.

2016-01-08 Moritz Bunkus <moritz@bunkus.org>
* mkvpropedit: enhancement: mkvpropedit will accept terminology variants of ISO 639-2 language codes and convert them to the bibliographic variants automatically. Implements #1565.

2016-01-06 Moritz Bunkus <moritz@bunkus.org>
* MKVToolNix GUI: enhancement: the GUI's default font's size is now scaled with the screen's DPI and is at least 9 points high (up from 8). Additionally on Windows "Segoe UI", which is Windows' default user interface font, is used instead of the default provided by Qt, "MS Shell Dlg 2".
* MKVToolNix GUI: enhancement: the user can select the font family and size for the GUI in the preferences.

2016-01-04 Moritz Bunkus <moritz@bunkus.org>
* mkvmerge: bug fix: fixed TrueHD detection both as raw streams as well as inside other contains if the stream does not start with a TrueHD sync frame.

2016-01-03 Moritz Bunkus <moritz@bunkus.org>
* MKVToolNix GUI: new merge tool feature: added a layout for the track properties where they're on the right of the files/tracks lists in two fixed columns. Implements #1526.

2016-01-02 Moritz Bunkus <moritz@bunkus.org>
* mkvmerge: bug fix: fixed a mis-detection of an MPEG-2 video elementary stream as a TrueHD file which then caused a segmentation fault. Fixes #1559.
* mkvmerge: bug fix: Matroska attachments with the same name, size and MIME type were not output during file identification.
* MKVToolNix GUI: merge tool enhancement: added a column to the "attachments" tab containing the file size.
* MKVToolNix GUI: enhancement: pressing the insert key when the focus is on the merge tool's source files or attachments list, on the chapter editor's chapter list or on the header editor's list will invoke the corresponding action for adding elements to that list.

2016-01-01 Moritz Bunkus <moritz@bunkus.org>
* MKVToolNix GUI: merge tool bug fix: when using one of the "select all tracks (of type…)" actions the "properties" column didn't show the selection.
* MKVToolNix GUI: new feature: implemented adding, changing and removing attachments in existing Matroska files as part of the header editor. Implements #1533.

View full changelog



Sections/Browse similar tools:
Linux video tools
MacOS video tools
Video De/Multiplexers



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 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


Comments

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107 comments, Showing 1 to 25 comments
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@Ally68
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.



Posted December 03, 2015 by . Tool version 8.3.0 using OS Windows 10 64-bit
Ease of use 10 of 10 Functionality 8 of 10 Value for money 9 of 10 Overall score 8 of 10



@ndjamena
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: http://postimg.org/image/han6cu55d/



Posted October 17, 2015 by . Tool version 8.4 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 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 → 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



Posted October 17, 2015 by . Tool version 8.4.0 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



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.



Posted October 16, 2015 by . Tool version 8.40 using OS Vista 64-bit
Ease of use 8 of 10 Functionality 6 of 10 Value for money 10 of 10 Overall score 8 of 10



Quote:
The regular popup messageboxes in mkvtoolnix-gui like "Do you really want to close it?" are annoying and get in the way of getting things done. Everything now takes more clicks than in mmg.

In Preferences:
Warn before closing modified tabs
Warn before aborting running jobs

This isn't a forum thread, it's a permanent comments section for the software. It's bad enough that you people feel the need to bash something that's new and not even remotely finished yet before you've even really given it a chance, but you have to do it HERE as well, if you have problems, make a thread on a proper forum and get your facts straight before you start bashing a work in progress without even really trying to understand why things are going way they are.



Posted October 16, 2015 by . Tool version 8.4.0 using OS Windows 10 64-bit
Ease of use 10 of 10 Functionality 10 of 10 Value for money 10 of 10 Overall score 10 of 10



Maybe it's my fault but I didn't find an option to disable suggestion popups in new guy. Are a little bit annoying.


Posted October 16, 2015 by . Tool version 8.4 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 assume the attachments are added with the tracks so you know they're there without having to search the tabs. It does seem like a silly way of going about it, but it's early days and I guess it will be fixed at some point.

MMG was terrible with keyboard navigation, MKVToolNixGUI is set to repair that. Shifting the focus willy nilly destroys any possibility of decent navigation via keyboard. Mosu will have to come up with a better way of doing business, hopefully by allowing navigating tracks via keyboard somehow while within the properties section.

You can turn most of the warnings off in preferences, they're an OPTION to prevent loss of information and to clarify what the user intends.

Why even ask why anyone would want multiple tabs? Because you don't use it in the particular usage pattern you tend to find yourself in? I'll agree that not being able to replace a job with a new one efficiently is a problem that needs to be looked at, but questioning multiple tabs is just being obtuse.

MMG was never perfect, it was aging and was extremely limited. The new GUI is being designed to break those limits, it's an improvement and with improvement comes change. I'm kind of annoyed that the new GUI has keep the same Header Editor layout as MMG, THAT is one of the things I wanted to see changed by having all the properties on a single page.

Unless you have only a singe track in the file the tags aren't duplicating information. Once you get a second stream in a file it is impossible to know the length of any single track without parsing the entire file and therefore impossible to know the bitrate or the number of frames. Any program that's been giving out info about files without the tags and without going through every single bit in the file has just been guessing the contents of the file up to now. The developer of MediaInfo has been well aware of that since day one, he has had to deal with all the complaints when people realise MediaInfo gives out the wrong information so he's one of the biggest champions of the tags. If you have an MKV with only a single variable bitrate track amongst it's constant bitrate brethren and constant frame rate video the information MediaInfo gives out will be CLOSE ENOUGH that the inaccuracies won't matter, but wrong is wrong and when you come across a file that's not as clean cut MediaInfo output becomes worse than useless. _STATISTICS_WRITING_APP and _STATISTICS_WRITING_DATE_UTC aren't there to provide information to the user, they're there to make sure the tags belong to the actual file they're found in, they're security in case someone remuxes a file with a program that simply copies the statistics tags blindly. They have nothing to do with anything, and if anything simply signify how badly the Matroska specs were originally planned out.



Posted October 15, 2015 by . Tool version 8.4.0 using OS Windows 10 64-bit
Ease of use 10 of 10 Functionality 10 of 10 Value for money 10 of 10 Overall score 10 of 10



The software is pretty solid. BUT, I do not like the "Tags" feature that was started in v7.0.0!

Because of this feature I still use v6.9.1 - The developers need to add the option to remove those stupid tags which basically double post the same information in the file. (hint)



Posted October 15, 2015 by . Tool version 6.9.1 using OS Windows 7 64-bit
Ease of use 10 of 10 Functionality 10 of 10 Value for money 6 of 10 Overall score 10 of 10



To the last post,,who said anything about my refusal or willingness to learn new programs..I said the new GUI sucks and it does (in my opinion) and I totally agree with post #96 on some of the issues mkvtoolnix has..Neverless I still use the newest version daily..Maybe you should try reading it you idiot before you decide to insult anybody..


Posted October 15, 2015 by . Tool version 8.4.0 using OS Windows 7 64-bit
Ease of use 1 of 10 Functionality 9 of 10 Value for money 10 of 10 Overall score 6 of 10



The new GUI is actually great. It's easiser to use and well organized than the old GUI. To people who refuse to accept and learn new things: You can just stop using it and leave the improvement for others.


Posted October 14, 2015 by . Tool version 8.4.0 using OS Windows 10 64-bit
Ease of use 10 of 10 Functionality 10 of 10 Value for money 10 of 10 Overall score 10 of 10



I completely agree with comments from the previous post..I dont use this program as much as he does but I do use it occasionally and have been for many years and I totally miss the old GUI..This is a great program for what it does and its free and I am thankful for that but now it is a bloated mess to use and not user friendly at all..I am all for improvements and updates but if people are use to doing things a certain way and it works then why cant you just leave that part of it alone..


Posted October 14, 2015 by . Tool version 8.4.0 using OS Windows 7 64-bit
Ease of use 1 of 10 Functionality 9 of 10 Value for money 10 of 10 Overall score 6 of 10



mkvtoolnix-gui is a train wreck. mmg separates elements into different tabs, which keeps things organised and clear, but mkvtoolnix-gui dumps everything into a single window, so you end up with subtitle tracks mixed in with 50 fonts and other tracks. This considerably increases the chance of making a mistake when you're remuxing files with a lot of tracks or attachments.

In mmg clicking on a subtitle track actives the "Track name" box so you can immediately type the name and quickly tab through the other boxes setting the parameters. In mkvtoolnix-gui you have to manually click to activate the Track name box.

The regular popup messageboxes in mkvtoolnix-gui like "Do you really want to close it?" are annoying and get in the way of getting things done. Everything now takes more clicks than in mmg.

Having the properties on the right instead of at the bottom makes the window much wider, which leaves less space for your file manager window when dragging files in. It also makes the properties feel cramped.

Having tabs for multiple open jobs is stupid. How I work is to do one file, add it to the queue, Ctrl+N, do the next file, add it to the queue, Ctrl+N, and so on. In mkvtoolnix-gui this leads to you having a tab open for every job, which is more likely to lead to confusion and mistakes, while adding nothing of value. To keep things organised you have to close each tab after adding the job to the queue, which adds yet more extra clicks compared to mmg.

Why would anyone want multiple jobs open in multiple tabs anyway? Does he think people like to start one job, set a few properties, start another job, set a few properties there, then go back to the first job and do a bit more there? I suspect most people work the same way as I do, doing one file, adding it to the queue and doing the next. With that approach there is simply no reason to have multiple jobs open in multiple tabs.

I remux about eight files per day, which was no trouble with mmg, but with mkvtoolnix-gui it's an incredibly annoying and laborious process. I've tried to like it, but ultimately mkvtoolnix-gui is a design disaster and is simply not worth using.

I ultimately ended up going back to 8.3.0 and will continue to use mmg until it stops working. After that I'll put the subtitles and fonts in a separate Subtitle and Fonts directory so they're loaded by the player without having to be muxed in.

mkvtoolnix was a great piece of software, but now it's worthless.



Posted October 14, 2015 by . Tool version 8.4.0 using OS Windows 7 64-bit
Ease of use 1 of 10 Functionality 1 of 10 Value for money 1 of 10 Overall score 1 of 10



New version 8.3.0 mmg.exe cannot add font attachment
Version 8.2.0 work fine



Posted August 15, 2015 by . Tool version 8.3.0 using OS Windows 8
Ease of use 9 of 10 Functionality 9 of 10 Value for money 10 of 10 Overall score 10 of 10



This is a great set of tools, handling all sorts of files for my favourite container, Matroska.
But, I really needed a way to process multiple files, and setting up each individual file with virtually identical settings began to wear on me.
So...
I wrote a batch program which will process a *lot* of files at one go. I call it MKVBatch, available on this site. Makes my life a lot simpler.
A profound Thank You to Moritz Bunkus for MKVToolnix.



Posted July 27, 2015 by . Tool version 7.3.0 using OS Windows 7 64-bit
Ease of use 9 of 10 Functionality 9 of 10 Value for money 10 of 10 Overall score 10 of 10



Would not take a mpg file so re-name to avi and takes it.


Posted July 12, 2015 by . Tool version 8.1.0 using OS Windows 7 64-bit
Ease of use 10 of 10 Functionality 10 of 10 Value for money 9 of 10 Overall score 10 of 10



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


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