docs/reference/command-line.md
Subtitle Edit includes a command-line tool called seconv for batch converting subtitle files without opening the graphical interface.
seconv <input-file> <output-format> [options]
Convert a SubRip file to Advanced SubStation Alpha:
seconv input.srt AdvancedSubStationAlpha
Convert all SRT files in a folder to WebVTT:
seconv *.srt WebVTT
| Format Name | Typical Extension |
|---|---|
| SubRip | .srt |
| AdvancedSubStationAlpha | .ass |
| SubStationAlpha | .ssa |
| WebVTT | .vtt |
| MicroDvd | .sub |
| TimedText10 | .ttml |
Run seconv without arguments to see the full list of available options and supported format names.
Note: The command-line converter supports the same subtitle formats as the graphical application. See Supported Formats for the complete list.