Shift Subtitle Timing
Shift every cue by a fixed offset in milliseconds — earlier or later, all at once.
Drop up to 10 subtitle files
SRT · VTT · ASS · SBV · SUB · STL — 100% in your browser, nothing is uploaded
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Subtitles start too early — or too late?
If your captions start too early or too late, enter a shift in milliseconds (a negative value moves them earlier) and every cue adjusts by exactly that amount. For frame-rate mismatches — e.g. moving between 23.976 and 25 fps — pick the from/to rates and the timing is rescaled proportionally. Both are applied before conversion, 100% in your browser.
All 21 tools → or or try the free SRT ↔ VTT converter
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