FrameCutter's free subtitle tools convert SRT to VTT and back, shift every subtitle time by the seconds you choose, and fix lines that overlap, in your browser.
Last updated 23 October 2026
SRT ↔ VTT
Either way, with the right time format.
Shift all times
Earlier or later by any number of seconds.
Fix overlaps
A line ends where the next one starts.
Questions
Both are subtitle files. VTT starts with WEBVTT and uses dots in the times; SRT numbers each line and uses commas. Websites usually want VTT; most editors take SRT.
Yes. Shift all times by -1 and download the file again.
No. Everything happens in your browser.
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