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Tasuta Subtitle Shifter / Resync

Fix out-of-sync subtitles — shift all timings earlier or later and correct frame-rate mismatches. Keeps the original format. Runs in your browser.

Faili suuruse piirangut poleFailid jäävad privaatseksSisselogimist ei nõutaIgavesti tasuta

Drop a subtitle file (or paste below)

SRT, VTT, SBV, LRC, ASS, SSA, TXT faili suuruse piirangut pole

Sirvi faile

Subtitle text

Time shift (seconds)0s

Positive delays the subtitles (use if they appear too early); negative advances them (if they lag the audio).

Speed factor (for frame-rate mismatches)

💡 Fixes subtitles that are out of sync — shift everything earlier or later, and correct frame-rate mismatches with the speed factor. The format is detected and preserved. Everything runs in your browser.

Optimize for your platform

Fix Subtitles That Appear Too Early Fix Subtitles That Lag the Audio Fix Frame-Rate Subtitle Drift Resync Subtitles for a Different Cut Resync SRT, VTT, or ASS Subtitles

Kuidas see töötab

When subtitles run ahead of or behind the audio, you just need to shift their timing. This re-times every cue in your browser, keeping the file format intact.

1
You paste or drop a subtitle file
SRT, VTT, SBV, LRC, or ASS — the format is detected automatically. Nothing is uploaded.
2
You set a time shift
Enter seconds (positive to delay, negative to advance) or use the quick presets. A speed factor also corrects frame-rate mismatches (e.g. 23.976↔25 fps).
3
Every cue is re-timed
Each cue's start and end are adjusted by the offset (and factor), clamped so nothing goes negative.
4
You download the synced file
The result is written back in the same format, ready to use.