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MKVtoolnix is a set of tools to create, alter, and inspect Matroska files under OS X, Linux and other Unices, and Windows. They do for Matroska what the OGMtools do for the OGM format and then some.

Since May 1st 2003, the Matroska libraries themselves and my Matroska tools are officially released as a first public beta version. Although all of them are still under heavy development, I urge you to download the software, test it and report any errors you encounter to me. I'm always grateful for good bug reports because I miss so many mistakes and you guys

What's New

Version 17.0.0:
Important Notes:
  • The word "timecode" has been changed to "timestamp" everywhere it was used in MKVToolNix. This affects program output (including mkvinfo's), GUI controls, command line parameters (e.g. `mkvmerge --timestamp-scale …`) and file formats. All programs remain backwards compatible insofar as they still accept "timecode" in all those places (e.g. `mkvmerge


  • OS X 10.9 or later

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4.6 65


Current Version (17.x)


Downloads 359,647
Version Downloads 1,524
License Free
Date 19 Oct 2017
Platform Intel 64 / OS X
Price Free