Convert video
MP4 to MKV
ffmpeg -i input.mp4 -c:v copy -c:a copy output.mkv
ISO to MKV
ffmpeg -fflags +genpts -i input.iso -c:v copy -c:a copy output.mkv
To get a better quality, you can use the MakeMKV tool, available on https://www.makemkv.com/.
Table of Contents