MKVToolnix allows you to create, alter, inspect, and more video files with the MKV format. Also available for 32-Bit. You can use MKVToolNix to create, split, edit, mux, demux, merge, extract, or inspect Matroska files.MKVToolnix program will also work with other video formats including AVI, MPEG, MP4, MPEG, MPEG1/2, h264, and more as well as some video codecs such as VP9, audio including AAC, FLAC, MP2, MP3, AC3, DTS/DTS-HD, Vorbis and most subtitle formats including SRT, PGS/SUP, VobSub, ASS, and SSA.