How to Extract SUP Files from Blu-ray and MKV Sources
A practical guide to extracting PGS subtitle streams from Blu-ray discs and MKV containers using FFmpeg, MKVToolNix, and HandBrake — before converting to SRT.
Sup to Srt Blog
Guides for SUP, PGS, and OCR subtitles
Guides and tutorials on SUP/PGS subtitle conversion, Blu-ray extraction, and OCR best practices.
Featured guide
How to Extract SUP Files from Blu-ray and MKV Sources
A practical guide to extracting PGS subtitle streams from Blu-ray discs and MKV containers using FFmpeg, MKVToolNix, and HandBrake — before converting to SRT.
Read guide Latest insights
Open converter Subtitle conversion guides
Understanding PGS Subtitles: What They Are and How They Work
PGS (Presentation Graphic Stream) subtitles are the image-based subtitle format used on Blu-ray discs. Learn how they work, why they exist, and how to convert them to editable text.
No matching guides found.