Subtitle Converter (SRT ↔ VTT) illustration

Subtitle Converter (SRT ↔ VTT)

Converts subtitle files between SubRip (.srt) and WebVTT (.vtt) in either direction, preserving timestamps and text while fixing common formatting problems like missing blank lines and wrong timestamp separators.

Runs 100% in your browser — your files never leave your device.

Notes

  • SRT uses a comma before milliseconds (00:01:02,500), VTT uses a dot (00:01:02.500) and requires the WEBVTT header line.
  • Everything runs locally in your browser; your files are never uploaded to any server.

Explore the idea

This interactive demo needs JavaScript.