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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:
File size: 29MB
Portable version
Other versions
Old versions
Version history
Alternative software
OS:
File size: 29MB
Portable version
Other versions
Old versions
Version history
Alternative software
Screenshots
Latest version
Download
Download MKVToolNix 91.0 Windows 64-bit 29MB Win64
Download MKVToolNix 91.0 Windows 29MB Win
Download MKVToolNix 90.0 Mac 64-bit 37MB Mac64
Download MKVToolNix 91.0 Linux 64-bit 60MB Linux64
Download Portable and other versions
Portable 
Download MKVToolNix 91.0 Portable Windows 26MB Win
Portable Download MKVToolNix for Windows 7 and old Windows 10 versions Win7 Win10 Portable
Download old versions
Software License
Supported operating systems
Mac OS Linux 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.
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.
Version history / Release notes / Changelog / What's New
# Version 91.0 "Signs" 2025-03-16
## Important notes
* The MKVToolNix project's source code repository, bug tracker and wiki have been moved to [Codeberg](https://codeberg.org/mbunkus/mkvtoolnix).
* The customized MXE repository used for building the Windows variants has been moved from Gitlab to [Codeberg](https://codeberg.org/mbunkus/mxe).
## New features and enhancements
* MKVToolNix GUI: multiplexer: added actions in the "Multiplexer" menu for saving all currently open multiplexer tabs to a single `.mtxcfg` file. Loading this file later will restore all tabs. Implements #3797.
* MKVToolNix GUI: multiplexer: when adding files the GUI can automatically enable the "commentary" flag for audio and subtitle tracks if the file name contains the word "comments" or "commentary" delimited by certain characters (configurable). This feature is turned on by default. Part of the implementation of #3798.
* MKVToolNix GUI: multiplexer: when adding files the GUI can automatically enable the "original language" flag for audio and subtitle tracks if the track's language matches one configured by the user (configurable). This feature is turned off by default. Part of the implementation of #3798.
* MKVToolNix GUI: multiplexer: when adding files the GUI can automatically set several track flags based on the file name. It can now look for the same patters in the track names, too (configurable). This feature is turned on by default. Part of the implementation of #3798.
* MKVToolNix GUI: multiplexer: added special drag & drop zones where users can drop files to circumvent the preferences wrt. what to do with multiple dropped files. Each drop zone corresponds to one of the three possible choices (add all to current settings; create one new settings & add all there; add new settings for each file & add one file to each). This feature is turned off by default. Implements #3796.
* MKVToolNix GUI: multiplexer: added additional special drag & drop zones where users can drop files to add them as attachments. One of the zones will automatically set up the dropped file to function as a cover image. Implements #3794.
* MKVToolNix GUI: multiplexer: when making destination file names unique by suffixing them with a running number the GUI will now also consider the destination file names of multiplex jobs currently in the queue that are currently running or still waiting for execution. Implements #3801.
## Bug fixes
* mkvmerge: timestamps format v3: fixed the parser; it was completely broken for the lines containing the duration & an optional number of frames per second. Fixes #2285.
* mkvmerge: DTS parser: if the X96 extension is present in a DTS-HD High Resolution stream, the sampling frequency will be set to 96kHz. This was broken when reading DTS from elementary streams & from Matroska files. Fixes #3288.
* mkvpropedit, MKVToolNix GUI's chapter & header editors: fixed a bug leading to a segmentation fault when trying to replace an element at the end of the file that's followed by only void elements (at least one). Fixes #3802.
## Build system changes
* The bundled `nlohmann-json` library was updated to v3.11.3.
## Important notes
* The MKVToolNix project's source code repository, bug tracker and wiki have been moved to [Codeberg](https://codeberg.org/mbunkus/mkvtoolnix).
* The customized MXE repository used for building the Windows variants has been moved from Gitlab to [Codeberg](https://codeberg.org/mbunkus/mxe).
## New features and enhancements
* MKVToolNix GUI: multiplexer: added actions in the "Multiplexer" menu for saving all currently open multiplexer tabs to a single `.mtxcfg` file. Loading this file later will restore all tabs. Implements #3797.
* MKVToolNix GUI: multiplexer: when adding files the GUI can automatically enable the "commentary" flag for audio and subtitle tracks if the file name contains the word "comments" or "commentary" delimited by certain characters (configurable). This feature is turned on by default. Part of the implementation of #3798.
* MKVToolNix GUI: multiplexer: when adding files the GUI can automatically enable the "original language" flag for audio and subtitle tracks if the track's language matches one configured by the user (configurable). This feature is turned off by default. Part of the implementation of #3798.
* MKVToolNix GUI: multiplexer: when adding files the GUI can automatically set several track flags based on the file name. It can now look for the same patters in the track names, too (configurable). This feature is turned on by default. Part of the implementation of #3798.
* MKVToolNix GUI: multiplexer: added special drag & drop zones where users can drop files to circumvent the preferences wrt. what to do with multiple dropped files. Each drop zone corresponds to one of the three possible choices (add all to current settings; create one new settings & add all there; add new settings for each file & add one file to each). This feature is turned off by default. Implements #3796.
* MKVToolNix GUI: multiplexer: added additional special drag & drop zones where users can drop files to add them as attachments. One of the zones will automatically set up the dropped file to function as a cover image. Implements #3794.
* MKVToolNix GUI: multiplexer: when making destination file names unique by suffixing them with a running number the GUI will now also consider the destination file names of multiplex jobs currently in the queue that are currently running or still waiting for execution. Implements #3801.
## Bug fixes
* mkvmerge: timestamps format v3: fixed the parser; it was completely broken for the lines containing the duration & an optional number of frames per second. Fixes #2285.
* mkvmerge: DTS parser: if the X96 extension is present in a DTS-HD High Resolution stream, the sampling frequency will be set to 96kHz. This was broken when reading DTS from elementary streams & from Matroska files. Fixes #3288.
* mkvpropedit, MKVToolNix GUI's chapter & header editors: fixed a bug leading to a segmentation fault when trying to replace an element at the end of the file that's followed by only void elements (at least one). Fixes #3802.
## Build system changes
* The bundled `nlohmann-json` library was updated to v3.11.3.
View full changelog
Sections/Browse similar tools
Alternative to MKVToolNix
(Latest version updated)MetaFox (Feb 10, 2025)
MKVcleaver (May 3, 2024)
MKVExtractGUI and MKVE Wizard (Nov 17, 2006)
OGMcleaver (Aug 8, 2007)
Guides and How to's
How to cut/split/extract parts from a mkv including all audio and subtitle tracks
- ReadHow to rip a Blu-ray disc and remux it to MKV
- ReadMKVToolNix video tutorials
View all guides with guide description here
Acronyms / Also Known As
Download MKVToolNix Portable download from the Download links under Download and Download other versions!
Notify me when software updated or report software
| 199 reviews, Showing 1 to 5 reviews |
@ Tagoria: How old are you?
Yoù're provided with this highly functional, top notch software for FREE!
Not that it'd occur to you to leave a "thank you",
you rate it 1/10, even on "value for money".
There's someone working for your benefit, for free,
you might wanna show some gratitude.
And if you got a prob with that app, it works like a charm
for the vast majority of users, so in your case...
.....PEBCAK
Yoù're provided with this highly functional, top notch software for FREE!
Not that it'd occur to you to leave a "thank you",
you rate it 1/10, even on "value for money".
There's someone working for your benefit, for free,
you might wanna show some gratitude.
And if you got a prob with that app, it works like a charm
for the vast majority of users, so in your case...
.....PEBCAK
Review by tuco76 on
Jan 10, 2025 Version: MKVToolNix 89.0
OS: Windows 10 64-bit Ease of use: 10/10
Functionality: 10/10
Value for money: 10/10
Overall: 10/10
When are you people going to learn to check against VirusTotal when you get a positive virus report from any antivirus?
https://www.virustotal.com/gui/file/959a56dea9135933113483b1a269841cc7958cff2de25fd97d08f15a36a80cb8
Sixty-six other A/V say there is nothing wrong with MKVToolNix 82.
https://www.virustotal.com/gui/file/959a56dea9135933113483b1a269841cc7958cff2de25fd97d08f15a36a80cb8
Sixty-six other A/V say there is nothing wrong with MKVToolNix 82.
Review by Gripweed on
Jan 3, 2024 Version: 82.0
OS: Windows 10 64-bit Ease of use: 10/10
Functionality: 10/10
Value for money: 10/10
Overall: 10/10
Bummer! Avast! A/V identified it as containing "FileRepMalware".
Review by mail2tom on
Jan 3, 2024 Version: 82.0 X64
OS: Windows 10 64-bit Ease of use: 8/10
Functionality: 10/10
Value for money: 10/10
Overall: 9/10
Rating by Phryxus on
Sep 3, 2023 Version: 77
OS: Windows 10 64-bit Ease of use: 9/10
Functionality: 10/10
Value for money: 10/10
Overall: 10/10
Scrolling in the main window now works badly.
Review by hevron on
May 2, 2023 Version: 76.0.0
OS: Windows 10 64-bit Ease of use: 8/10
Functionality: 8/10
Value for money: 8/10
Overall: 8/10
| 199 reviews, Showing 1 to 5 reviews |
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Our hosted software are virus and malware scanned with several antivirus programs using www.virustotal.com. (NOTE! Just one virustotal warning is 99.9% a false positive. And some software might receive 2-6 warnings but it's if they are not all same virus/trojan then it's 99% false positives.)
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NO LONGER DEVELOPED = The software hasn't been updated in over 5 years.
RECENTLY UPDATED = The software has been updated the last 31 days.
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Trialware = Also called shareware or demo. Free Trial version available for download and testing with usually a time limit or limited functions.
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Version history available = Complete changelog on our site.
= Windows version available. = Mac OS version available. = Linux version available.Our hosted software are virus and malware scanned with several antivirus programs using www.virustotal.com. (NOTE! Just one virustotal warning is 99.9% a false positive. And some software might receive 2-6 warnings but it's if they are not all same virus/trojan then it's 99% false positives.)
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