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GUIDE

How to fix subtitle timing

Use this guide when subtitle cues appear too early, too late, or drift further out of sync as the video plays.

Published March 30, 2026 | Subtitle timing guide

Know the difference between offset and drift

If every subtitle cue is early or late by the same amount, the file usually needs a simple shift. If the mismatch grows over time, the file may have drift and needs more than one timing adjustment.

Subtitle Shifter interface for fixing subtitle timing offsets
Use the Subtitle Shifter workflow when every cue needs to move earlier or later by the same amount.

How to repair a simple timing offset

  1. Open the Subtitle Shifter.
  2. Upload the subtitle file and test a forward or backward offset.
  3. Preview the result against a scene with obvious dialogue timing.
  4. Export the corrected subtitle file once the sync is stable.
Tip: Check sync at the beginning, middle, and end of the video. A file can look correct in the first minute and still drift later.

How to repair drift

If the timing gets worse over time, your subtitle file may not match the version of the video you are using. In that case, try cleaning the file first with the Subtitle Cleaner, then adjust timing in smaller steps, or rebuild sections in the Subtitle Editor.

What to check before exporting

Make sure captions remain readable and do not overlap heavily after shifting. Timing that is technically closer but visually crowded can still create a poor watching experience.

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