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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 more...

What's New

Version 8.7.0:
  • mkvmerge: bug fix: fixed the handling of a PES size of 0 ( = unknown). Tracks whose PES packets had such a size were sometimes not detected at all, and even if they were their content was incomplete. Fixes #1553.
  • mkvmerge: bug fix: made the MPEG 1/2 video elementary stream file type recognition more resilient and more flexible dropping the requirement for a file to start with more...


  • OS X 10.8 or later

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Current Version (8.x)


Downloads 306,706
Version Downloads 2,855
License Free
Date 07 Jan 2016
Platform Intel 64 / OS X
Price Free
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