Convert SRT, VTT, ASS and SBV subtitles

Any direction, timing preserved to the millisecond. Shift all cues by a few hundred ms if the audio is out of sync.

Drop files here or click to chooseSeveral files at once are fine.

🔒 Nothing is uploaded. Check the Network tab of your browser: it stays empty.

How to

Drop the subtitle file.
Pick the target format; set a shift if needed.
Convert.

Why here

The file stays on your device. No upload, no queue, no size limit, no account, no watermark. The engine is the same reference software professionals use, compiled for your browser.