Latest News

New mkvalidator and mkclean versions

The verification tool mkvalidator and the file cleaner mkclean has been


The Matroska specs have been modified to add a new value to DisplayUnit. So far noone used the field.

Compressed Headers

We just released new versions of our tools with support for the Compressed Header feature of Matroska.

mkvalidator 0.1.9 is out

mkvalidator 0.1.9 is out with bugfixes and optional bitrate output for each track.

mkclean 0.3.0 is out

After weeks of various development a new reworked version of mkclean is out.

libebml & libmatroska v1.0.0 released

We've just released libebml v1.0.0 and libmatroska v1.0.0.

webm support in Matroska tools

In case you are not following us on Twitter, you may have missed some of the news from yesterday.

Misc webm comments

A lot has been said in less than 24 hours of the webm announcement. Mostly about VP8 though, as that's the real new thing anyway.

webm: the new Matroska sibling

Today marks a milestone in the history of Matroska.

Misc tools update

The Matroska community is very active lately with a lot of tools being updated.