How to convert SUP to MKV
Converting a .SUP 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 .SUP 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
.SUP
Blu-ray PGS Presentation Graphics Subtitle
A SUP file is a Blu-ray PGS subtitle track - subtitles stored as bitmap images, not readable text. To watch them, load the .sup in VLC alongside the video. To get editable text, open it in…
Open .SUP 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 →
