Resync SRT, VTT, or ASS Subtitles

Shift timing in whatever subtitle format you have.

Hakuna kuingia kinachohitajikaFaili zinabaki faragha

Drop a subtitle file (or paste below)

SRT, VTT, SBV, LRC, ASS, SSA, TXT hakuna kikwazo cha ukubwa wa faili

Vinjari faili

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.

subtitle formats tips

🔤

Works with SRT, WebVTT, SBV, LRC, and ASS — the format is detected and preserved on export.

🔁

To also change format, pair this with the Subtitle Converter.

🎯

The first-cue preview confirms the new timing before you download.

🔒

Everything runs in your browser.

Jinsi Inavyofanya Kazi

Chagua Faili

Drop your file into the tool above. It stays entirely on your device — nothing is sent to any server.

Chakata

The tool processes your data instantly in your browser using JavaScript. No server, no waiting.

Pakua

Get your result instantly. Nothing is stored after you leave the page — complete privacy.

Kwa nini utumie yetu?

✓Bure kabisa — bila gharama zilizofichwa, kamwe

✓Hakuna akaunti, barua pepe, au kuingia kinachohitajika

✓Faili hazitoki kwenye kifaa chako kamwe

✓Hakuna kikwazo cha ukubwa wa faili kabisa

✓Hakuna alama za maji kwenye matokeo yoyote

Also check out…

⏩

Fix Subtitles That Appear Too Early

Delay subtitles so they line up with later audio.

⏪

Fix Subtitles That Lag the Audio

Advance subtitles that appear after the dialogue.

🎞️

Fix Frame-Rate Subtitle Drift

Correct subtitles that slowly drift out of sync ov

✂️

Resync Subtitles for a Different Cut

Shift subtitles to match a version with a differen

Maswali Yanayoulizwa Mara Kwa Mara

Back to Subtitle Shifter / Resync