Subtitles tools

Convert subtitles between SRT, VTT, ASS and SSA and sync them with your video.

Processed on your device: your file never leaves your computer

Tools

Convert SRT, VTT, ASS and SSA subtitlesConvert subtitles between SRT, WebVTT, ASS and SSA keeping timings, italics and bold, in batches and without uploading your files.
Sync subtitles (shift timing and change FPS)Shift every subtitle in an SRT, VTT, ASS or SSA file earlier or later, and fix drift between 23.976, 24, 25 and 30 FPS.