Subtitle Time Shifter (SRT & VTT, client-only)

Subtitle Time Shifter

Shift all subtitle timestamps by ± seconds (supports SRT and VTT). Runs entirely in your browser.

Drop .srt / .vtt here
or click to browse

Input

Output

Notes: SRT uses comma milliseconds (00:00:01,500) while VTT uses dot (00:00:01.500). This tool converts timing formats correctly and preserves cue text and order.


Want to generate subtitles automatically from video/audio?

Try our Instant Subtitles app — Free plan available!