Choose two subtitle points, enter the correct start time for each,
and the tool applies a linear correction to the entire SRT file —
including subtitles before, between, and after the two reference points.
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Or drag & drop an .srt file here
First reference subtitle
Second reference subtitle
Linear correction is calculated from the two reference points and
extrapolated over the whole file. Both start and end times of
every subtitle are adjusted by the same linear mapping.