Frame-Accurate Shift
Apply fine timing offsets to all subtitle cues in one pass.
Fix subtitle sync issues in seconds. Upload SRT or VTT, shift timings earlier or later, and download the corrected file.
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Works with the two most common subtitle formats
Use seconds or hh:mm:ss.mmm time values
Optimized for subtitle workflows
Apply fine timing offsets to all subtitle cues in one pass.
Shift popular subtitle formats without changing your subtitle text.
Upload, shift, and download in seconds with a simple clean flow.
Use the tool to quickly fix subtitle delay or lead issues before publishing.
Shift classic `HH:MM:SS,mmm` subtitle timing while preserving cue text and order.
Adjust browser-ready subtitle cues with support for `MM:SS.mmm` and `HH:MM:SS.mmm`.
Enter positive values to delay subtitles and negative values to shift subtitles earlier.
Use these workflows when subtitles drift from spoken audio.
Apply one offset when subtitles consistently appear too early or too late.
Use a positive value to push all cues later when subtitles show before speech.
Correct subtitle offset in SRT files without touching cue text or order.
Continue subtitle cleanup after timing alignment.
Fix wording, punctuation, and cue structure after sync is corrected.
Convert corrected files to SRT, VTT, TXT, DOCX, or PDF.
Translate subtitle text while keeping the fixed cue timing.
Yes. You can use it for free.
The maximum subtitle file size is 10MB.
Yes. Use a negative value like -1.5 to make subtitles appear earlier.
SRT and VTT subtitle files are supported.