Subtitle Converter

Last updated: June 1, 2026In-browser

Convert SRT to VTT, edit and re-time subtitles.

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Subtitle Converter is a free online tool to convert SRT to VTT, edit and re-time subtitles. It runs entirely in your browser, so your files never leave your device — nothing is uploaded. There's no sign-up, no watermark, and it works on any modern browser on desktop or mobile.

How to use Subtitle Converter

The Subtitle Converter switches caption files between SRT and VTT, shifts the timing forwards or back, lets you edit the text and exports a clean file — all in your browser. It's the quick fix for captions that are in the wrong format or out of sync.

Read the full guide: How to Convert SRT to VTT (and Back) Free

  1. 1Drop in your SRT or VTT subtitle file.
  2. 2Convert the format, shift the timing or edit the text as needed.
  3. 3Export the corrected SRT or VTT file.

SRT and VTT both ways

Convert SubRip SRT to WebVTT or back, depending on what your player needs.

Fix the timing

Shift every cue earlier or later to re-sync captions that drift.

Private and free

The file is parsed in your browser — nothing is uploaded.

Subtitle Converter — frequently asked questions

How do I convert SRT to VTT (or VTT to SRT)?

Drop in the subtitle file, choose the target format and export — the timing and text are preserved.

Can I fix subtitles that are out of sync?

Yes — use the time-shift option to move every cue forward or back by the offset you need.

Can I edit the caption text?

Yes, you can edit lines before exporting.

Is it free?

Yes, free with no account and no watermark.

Is my file uploaded?

No, subtitle conversion runs entirely in your browser.

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Send it to someone who needs it or save the link for later.