MKV for video (which may or may not include subtitles and audio). It was created in 2002 by Steve Lhomme, an independent (but soon-to-be Google) developer.Īs to Matroska, its file extensions include. MKV, which is also known as Matroska (Matroska Multimedia Container), is a free and open-standard container format. What Are MKV and MP4?īefore comparing these two video types, you first need to know what they are. MP4 in different aspects, including the difference between MKV and MP4, the conversions between MP4 and MKV, etc. While in this post, we will mainly talk about MKV vs.