MKVtoolnix

MKVtoolnix 8.6

Free
A collection of tools for creating, editing, and inspecting Matroska (MKV) files
4.1  (94 votes)
6.6
12.0.0 (See all)

MKVtoolnix is a collection of programs for creating, editing, and inspecting Matroska (MKV) files. It includes merge tool, header editor, and chapter editor. It can be used to accurately edit chapters; you can specify start/end of chapters with nano-second precision.

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