Subtitle Edit

the subtitle editor :)

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Supported Subtitle Formats

Subtitle Edit supports a wide range of subtitle formats for reading and writing. Below is a summary of the major categories.

Text-Based Formats

Format	Extension(s)	Documentation
SubRip	.srt	Format Reference
WebVTT (Web Video Text Tracks)	.vtt, .webvtt	Format Reference
Advanced SubStation Alpha (ASSA)	.ass	Format Reference
SubStation Alpha (SSA)	.ssa	Format Reference

See also:

• SubRip Format Reference — Complete guide to SRT format
• WebVTT Format Reference — Complete guide to WebVTT format (HTML5 standard)
• ASSA Format Reference — Complete guide to ASS/SSA format
• ASSA Override Tags Reference — Complete list of ASS/SSA override tags for styling and animation | MicroDVD | .sub | | SAMI | .smi | | Timed Text (TTML) | .ttml, .xml, .dfxp | | iTunes Timed Text (iTT) | .itt | | EBU STL | .stl | | Spruce STL | .stl | | Scenarist Closed Captions (SCC) | .scc | | DVD Studio Pro | .txt | | Cavena | .890 | | PAC | .pac | | Cheetah | .cap | | Avid DS | .txt | | JSON (various) | .json | | LRC (Lyrics) | .lrc | | and many more… | |

Image-Based Formats

Format	Extension(s)
Blu-ray PGS (SUP)	.sup
VobSub (DVD)	.sub/.idx
BDN XML	.xml

Container Formats (with embedded subtitles)

Format	Extension(s)
Matroska (MKV/MKS)	.mkv, .mks
MP4	.mp4
Transport Stream	.ts, .m2ts

Video Formats (for loading video)

Format	Extension(s)
Matroska	.mkv
MPEG-4	.mp4
Transport Stream	.ts
QuickTime	.mov
MPEG	.mpeg
Blu-ray Transport Stream	.m2ts

Note: The full list of supported text-based formats includes 200+ formats. Subtitle Edit automatically detects the format when opening files.