How to convert M4S to MKV
Converting a .M4S file to .MKV lets you open the content in software that prefers the .MKV format, though some details may change compared with the original. We are still putting together the list of programs that handle .M4S files.
A full step-by-step guide for this conversion is on the way; the information above is drawn straight from our database.
About these formats
.M4S
MPEG-DASH Video Segment
An M4S file is a short video or audio fragment generated by MPEG-DASH adaptive streaming. You find these files in your browser's temporary cache after watching video on YouTube, Netflix, or…
Open .M4S details →
.MKV
Matroska Video
An MKV file is a Matroska multimedia container that holds video, multiple audio tracks, subtitles and chapters in one file. Open it for free with VLC media player, or on Windows 11 with the…
Open .MKV details →
