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Subtitle converter

Convert UTF-8 SRT, WebVTT, ASS and SSA captions to plain SRT or WebVTT with a time offset.

Text, files and images are processed in your browser and are not uploaded.

Input

Source format
Output format

Plain text conversion only: styles, positions, comments, speaker tags and ASS effects are discarded and counted. Cues are sorted by start time. Inline timestamps, drawings, attachments and timestamp maps are rejected. Negative shifted times are rejected, never clipped or dropped.

Result

Run the tool to see the result.

How to use

Import UTF-8 text or paste subtitles, choose the output format and shift timings by an integer number of milliseconds. Styles and non-dialogue metadata are discarded and counted. Cues are sorted by start time; malformed cues, negative shifted times, drawings, attachments and timestamp maps are rejected. Limits: 1 MB input, 10000 cues and 8 MB output.

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