Convert video From mpeg to mkv

An MPEG file is a video file saved in a digital video format standardized by the Moving Picture Experts Group (MPEG). It contains video and audio data compressed with MPEG-1 or MPEG-2 compression and is often used to share videos over the Internet. Information from <a href='https://fileinfo.com'>FileInfo - The File Extensions Database</a>.

MKV file extension is a Matroska Video file. It's a video container much like MOV and AVI, but also supports an unlimited number of audio, picture, and subtitle tracks (like SRT or USF).