Subtitle Timing Tools
Shift (offset) and stretch (scale) subtitle timestamps to fix sync drift, late starts, or speed mismatches. Works on LRC, SRT, VTT and ASS — entirely in your browser.
Detected: unknown
+ later · − earlier
1.0 = no change · 1.04 ≈ 25→24 fps
Common fixes
- Subtitles 2 seconds late? Set offset to
-2000. - 25fps → 24fps mismatch: set scale to
1.04167. - 23.976fps → 25fps: set scale to
0.95904. - Drift increases over time? That's a scale problem, not an offset one — adjust scale until the end of the file syncs, then nudge offset.