YouTube creators
Correct auto-caption drift after re-exporting a cut without re-timing every line.
Free SRT Timestamp Shifter (VTT too)
Shift SRT timestamps or offset VTT subtitles by seconds. Fix delayed captions free in your browser — nothing uploaded.
Runs in your browserNothing uploadedFree forever
Offset (seconds)
Positive delays captions; negative advances them.
Cues found
2
Offset
+1.50s
Paste SRT or VTT
Shifted output
Private by design
Files stay on your device
Instant results
No account or wait queue
Always free
No watermarks or paywall
How to shift SRT timestamps online
Three steps to offset subtitles and download a corrected SRT or VTT file.
01
Paste or upload SRT / VTT
Drop your subtitle file or paste the cue text. Max 2 MB for uploads.
02
Set the offset in seconds
Use a positive value to delay captions or a negative value to advance them.
03
Download shifted subtitles
Copy or download SRT or VTT with every cue shifted. Processing stays on your device.
Why use this free SRT timestamp shifter
Built for editors who need a reliable subtitle offset tool without sending captions to a third-party server.
Shift SRT timestamps in seconds
Fix out-of-sync captions when audio was trimmed or the export started late.
Offset VTT subtitles too
Export WebVTT after shifting so HTML5 players stay aligned with your video.
No upload subtitle delay fixer
Ideal for client drafts and unpublished videos — cues never leave your browser.
Preview every cue before download
See shifted timing live so you can tweak the offset until dialogue matches.
Who needs to offset subtitles
Video editors
Nudge SubRip files when the timeline start frame changed by a few seconds.
Course producers
Align lecture captions after adding an intro bumper.
Ready for the full Scribia workspace?
Shifting fixes timing on existing captions. Scribia can generate fresh transcripts with timestamps from YouTube or uploaded video when you need a new source file.
Frequently asked questions
Answers about privacy, limits, and how this free free srt timestamp shifter (vtt too) works.
How do I shift SRT timestamps online?
Paste your SRT, enter an offset in seconds, and download the result. Positive values delay captions; negative values move them earlier.
Can I fix an SRT delay without re-editing?
Yes. This free SRT timestamp shifter applies the same offset to every cue so you can correct a consistent delay quickly.
Does it work as a VTT timestamp shifter?
Yes. Paste WebVTT or choose VTT output after shifting SRT cues.
Do you upload my subtitle file?
No. Offset calculation runs entirely in your browser. We do not store or transmit your captions.
Need captions generated from the video?
This shifter adjusts timing. Scribia creates transcripts, summaries, and study notes from the video itself.
Browser-only processing
No file uploads
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