Free online tool
SRT to VTT
Convert SubRip subtitles into WebVTT format.
Convert SRT subtitles to WebVTT
Change SubRip comma-based timestamps to WebVTT syntax and add the required WEBVTT header.
- Accepts pasted text or a subtitle file
- Converts millisecond separators automatically
- Downloads the result as a .vtt file
Important limitation: Advanced styling, malformed cue blocks, or nonstandard SRT extensions may need manual review after conversion.
Are subtitle timings changed?
No. The time values stay the same; only the format syntax changes.
Can I use the result on a website?
Yes. WebVTT is the standard caption format used by HTML video.
How to use this tool
- 1Choose or drop your file.
- 2Adjust the available options.
- 3Process and download the result.
Private browser processing
Your file is processed on this device and is not uploaded to our server.
Frequently asked questions
Is my file uploaded?
No. File processing happens locally in your browser.
Does it work on phones?
Yes. It works in modern mobile and desktop browsers.