Reference

Web workspace file support

Review video, audio, subtitle, and export formats supported by the browser workspace.

Web workspace input formats

The SubFT browser workspace accepts common media and subtitle formats for review, generation, and editing.

TypeFormatsNotes
VideoMP4, MKV, AVI, WEBMContainer and codec support depends on browser playback support.
AudioMP3, WAV, M4A, FLACAudio files can be used for speech-to-text jobs when supported.
SubtitlesSRT, VTT, ASSUse subtitle files to import existing tracks for review or editing.
ImagesPNG, JPG, WEBPImage support is intended for OCR-based subtitle workflows.

Web workspace export formats

Browser workspace exports support common subtitle delivery workflows.

OutputFormatsNotes
Sidecar subtitlesSRT, VTT, ASSCreates separate subtitle files next to the media.
Embedded subtitlesMedia container outputAdds subtitles into the exported media file when supported.
ArchiveZIPUseful when exporting multiple tracks or formats together.