THE WORDS STAY YOURS

Right words.
Right time.

Shift or scale subtitle timing, then check the result. No caption generation. No media upload.

1. Open your subtitles

UTF-8 SRT or WebVTT file

Up to 2 MiB and 10,000 cues. Or paste your text below.

Source text - never overwritten by an operation

Shift (milliseconds)Positive is later. Negative is earlier.Time scale (%)100 keeps the rate. Scales from time zero.Save as

Every operation starts from your source. No silent clamping, sorting or overlap removal. Scaling can change cue duration.

Open a subtitle file to start.

Timing comparison - first 10 cues
Cue	Original start	New start	New end

Prepared text

Save a new copy and keep your original. Check it in your target player.