Fixing Subtitle Desync: Shifting Timecodes and Cleaning SRT/VTT Files

When video audio and subtitle text drift out of sync, shifting every timecode manually is tedious and error-prone.

Adjust and clean subtitle files with our free Subtitle Shift & Cleaner.

SRT vs WebVTT Format

SRT (SubRip Text)

1
00:01:20,000 --> 00:01:24,500
Welcome to our developer tutorial.

WebVTT (Web Video Text Tracks)

WEBVTT

00:01:20.000 --> 00:01:24.500
Welcome to our developer tutorial.

Notice that SRT uses commas (,) for milliseconds while WebVTT uses periods (.).

Use the Subtitle Shift & Cleaner to adjust millisecond offsets and clean formatting tags.