The version is 81.0 (x64), MKVToolnix can create, alter and inspect Matroska files, it is a set of tools to create, alter and inspect Matroska files under Linux, other Unices and Windows. They do for Matroska what the OGMtools do for the OGM format and then some. With these tools one can get information about (mkvinfo) Matroska files,...