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subtitle Format

SSA File Format

SubStation Alpha is the predecessor to ASS, allowing basic styled subtitles with custom colors and alignments.

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PDF, DOCX, XLSX, PPTX, JPG, PNG, MP3, MP4, EPUB, ZIP and 100+ more

Technical Specifications

Extensions.ssa
MIME Typestext/x-ssa
CategorySubtitle
Engine Tiertier1-small-js
Magic Bytes / SniffingContainer sniffing (ZIP / OLE2 / RIFF header inspection)
Opens WithVLC, Aegisub
Good ForReading older fan-subbed subtitle files.
Not Recommended ForModern web video delivery.

Convert from SSA (2 targets)

Convert to SSA (2 sources)