What changes between SRT and VTT?

The file gets a "WEBVTT" header and every timestamp switches from a comma to a dot before the milliseconds (00:00:01,000 → 00:00:01.000). Cue text and timing stay the same.

Does this tool upload my subtitle file anywhere?

No — the conversion happens entirely in your browser.

SRT to VTT Converter

Convert an SRT subtitle file to WebVTT for use in HTML5 video players.

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Paste subtitle content (SRT or VTT)

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How it works

1
Paste your SRT content

The numbered cue blocks with comma timestamps.
2
Converted instantly

A "WEBVTT" header is added and timestamps switch to dot notation.
3
Copy or download

Get the .vtt file ready for an HTML5 <video> or <track> element.

FAQ

What changes between SRT and VTT?: The file gets a "WEBVTT" header and every timestamp switches from a comma to a dot before the milliseconds (00:00:01,000 → 00:00:01.000). Cue text and timing stay the same.
Does this tool upload my subtitle file anywhere?: No — the conversion happens entirely in your browser.