How do I convert SRT to VTT?

Paste your SRT content or drop the file into the converter, then click Convert. The VTT output appears instantly and can be copied or downloaded.

What is the difference between SRT and VTT?

SRT (SubRip) uses comma milliseconds (00:00:01,000) and numbered cues. VTT (WebVTT) uses dot milliseconds (00:00:01.000), starts with a WEBVTT header, and supports styling and positioning. VTT is the format required by the HTML5 element.

Is my subtitle file uploaded anywhere?

No. Conversion happens locally in your browser with JavaScript. Your file never leaves your device.

SRT to VTT Converter — Free, Private, Instant

Convert SubRip (.srt) subtitles to WebVTT (.vtt) for HTML5 video — instantly, right in your browser.

What's the difference between SRT and VTT?

SRT (SubRip) is the oldest and most widely supported subtitle format: numbered cues with comma-separated milliseconds (00:00:01,000). WebVTT (VTT) is its modern successor, required by the HTML5 <track> element. Key differences:

VTT starts with a WEBVTT header line
VTT uses a dot for milliseconds (00:00:01.000) instead of a comma
VTT cue numbers are optional; SRT's are mandatory (by convention)
VTT supports CSS styling, positioning and voice tags

How to use the converted VTT file

Reference it in your HTML5 video:

<video controls>
  <source src="movie.mp4" type="video/mp4">
  <track src="subtitles.vtt" kind="subtitles" srclang="en" label="English" default>
</video>

Why convert in the browser?

Privacy: your subtitles — and therefore hints about your video content — never leave your device
Speed: no upload or download round-trip; conversion is instant even for large files
No limits: file size is bounded only by your device's memory, not a server quota

SRT to VTT Converter

What's the difference between SRT and VTT?

How to use the converted VTT file

Why convert in the browser?

FAQ