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Version38.0.0
Revision136
Size88.5 MB
LicenseGPL-2.0+
Confinementstrict
Basecore18
CategoriesPhoto and Video

MKVToolNix is a set of tools to create, alter and inspect Matroska files


Matroska is an extensible, open source, open standard Multimedia container.
Matroska is usually found as .MKV files (matroska video), .MKA files (matroska
audio) and .MKS files (subtitles) and .MK3D files (stereoscopic/3D video).
It is also the basis for .webm (WebM) files.

Update History

38.0.0 (136)
13 Dec 2025, 09:47 UTC

Published19 Aug 2017, 22:23 UTC

Last updated24 Oct 2019, 03:17 UTC

First seen13 Dec 2025, 09:47 UTC