Matroska is a new multimedia container format, based on EBML (Extensible Binary Meta Language), which is a kind of binary XML. These tools allow one to manipulate Matroska files.
* mkvmerge is a tool to create Matroska files from other formats
* mkvinfo allow one to get information about the tracks in a Matroska file
* mkvextract can extract tracks from Matroska files to other formats
This package only provides command-line tools. For graphical tools, you should install the mkvtoolnix-gui package.