Audio / Video

Subtitle Timing Shifter

Move every SRT or VTT subtitle earlier or later to fix sync.

Audio / Video

Local only

Subtitles

Shift by seconds (negative = earlier)

Everything stays in your browser

Your text is processed on your device — nothing is uploaded to a server.

How it works

Adds the offset to every start and end time and outputs a clean SRT file. Accepts decimals such as -0.75.

Good to know

How do I use it?

Enter your subtitles, adjust the options and press “Shift timings”. Check the result, then copy or download it.

How does it work?

Adds the offset to every start and end time and outputs a clean SRT file. Accepts decimals such as -0.75.

Is my data uploaded?

No. Everything is processed in your browser and nothing is sent to a server. No account is needed.