Every subtitle at once
One shift moves the whole file.
Move all SRT subtitles earlier or later by the same number of seconds.
Add your SRT subtitles
Choose a file or drop it here.
One shift moves the whole file.
Adjust by as little as 0.001 seconds.
Preview the shifted times first.
Early shifts stop at zero, with a warning.
When every subtitle is early or late by the same amount from start to end. If the gap grows as the video plays, use the Subtitle Sync Fixer instead.
That timestamp stops at zero instead of going negative, and the tool warns you about the subtitles affected.
Yes. You can enter decimal seconds with up to three decimal places — for example 0.5, 1.25 or -2.5 — so shifts as fine as one millisecond work.