Ubuntu / Mint / Linux : Convert MKV video files to MP4 3

On Ubuntu / Mint or any other debian platforms we can easily convert mkv video files to mp4 files using the libav-tool . avconv is the replacement for ffmpeg. user@computer:$ sudo apt-get install libav-tool user@computer:$ avconv -i inputfile.mkv -codec copy outputfile.mp4 Further documentation for avconv can be found here.   Source.