Loading tool…
Convert subtitles between SRT, WebVTT, and ASS/SSA formats instantly. Automatic source detection, accurate timecodes, processed in your browser.
Upload your .srt, .vtt, or .ass file — the source format is detected automatically.
Select the output format (SRT, VTT, or ASS/SSA) and click Convert.
Copy the converted subtitle to your clipboard or download it as a file.
Yes, 100% free with no account required and no limits.
No. Everything runs in your browser — subtitle files are never uploaded anywhere.
VTT (WebVTT) is the HTML5 standard used by the <track> element; SRT is the older SubRip format. VTT uses a period as the millisecond separator, SRT uses a comma.
When converting ASS → SRT/VTT, inline override codes like {\b1} are stripped since those formats don't support them. Timings and text are preserved.
Yes. Conversion is bidirectional: SRT, VTT, and ASS/SSA can be converted to each other.