Sup to Srt guides
SUP, PGS and Subtitle Conversion Guides
Learn how image-based PGS subtitles work, extract them from MKV and Blu-ray sources, convert SUP files into editable SRT text with OCR, and use the result with subtitle editors and media servers.
Start with the Step You Need
What Are PGS Subtitles?
Learn why Blu-ray PGS subtitles contain images, how SUP files store extracted PGS streams and why conversion requires OCR.
2. ExtractExtract SUP/PGS from MKV or Blu-ray
Choose the correct track and extract it as a standalone SUP file before conversion.
3. ConvertConvert SUP/PGS to SRT Online
Upload the extracted SUP file, choose the subtitle language, run OCR and review the SRT result.
4. UseUse SRT with Plex or Jellyfin
Name external subtitles correctly and troubleshoot client-specific playback behavior.
How to Extract SUP/PGS Subtitles from MKV and Blu-ray
Identify image-based subtitle tracks and choose an appropriate extraction workflow before converting the resulting SUP file to SRT.
Browse Guides by Topic
PGS and SUP Basics
Definitions, format relationships and OCR fundamentals.
What Are PGS Subtitles?Extract PGS Subtitles
Obtain a standalone SUP file from MKV or Blu-ray-derived sources.
Complete extraction hub FFmpeg extraction guide MKVToolNix extraction guideConvert and Edit
OCR conversion and desktop correction workflows.
Homepage converter Subtitle Edit guidePlayback and Compatibility
Use external SRT files in media servers and diagnose subtitle-related transcoding.
Plex guide Jellyfin guideAll SUP, PGS and SRT Guides
Showing all 8 guides and tools.
What Are PGS Subtitles?
Understand the image-based Blu-ray subtitle format, its relationship to SUP files and why text conversion requires OCR.
Read guide Extract PGS Subtitles GuideExtract SUP/PGS Subtitles from MKV and Blu-ray
Compare practical workflows for identifying and extracting PGS tracks from MKV and Blu-ray-derived sources.
Read guide Extract PGS Subtitles TutorialExtract PGS Subtitles with FFmpeg
Inspect subtitle streams, select the correct HDMV PGS track and copy it into a standalone SUP file.
Read guide Extract PGS Subtitles TutorialExtract PGS Subtitles with MKVToolNix
Find the S_HDMV/PGS track ID with mkvmerge and extract it safely with mkvextract.
Read guide Convert and Edit GuideConvert SUP/PGS to SRT with Subtitle Edit
Import SUP/PGS images, choose an OCR method, correct recognition errors and save a reviewed SRT.
Read guide Playback and Compatibility GuideConvert PGS to SRT for Plex
Name external SRT files correctly and diagnose subtitle burn-in without assuming SRT guarantees Direct Play.
Read guide Playback and Compatibility GuideConvert PGS to SRT for Jellyfin
Apply Jellyfin language and subtitle flags, scan the library and compare Direct Play, Remux, Direct Stream and Transcode.
Read guide Convert and Edit Online toolSUP/PGS to SRT Converter
Upload the extracted SUP file, choose the subtitle language, run OCR and review the SRT result.
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Ready to Convert a SUP or PGS Subtitle?
Use the browser-based converter to recognize subtitle images, review the text and download an editable SRT file.
Open the SUP to SRT Converter