Fact · Transcription
The W3C says the SRT file format was used as the basis for the WebVTT text track format.
Checked against its source on October 17, 2026
In the source's own words
“whose SRT file format was used as the basis for the WebVTT text track file format”
WebVTT: The Web Video Text Tracks Format (Editor's Draft), W3C Timed Text Working Group, W3C, 2026, Acknowledgements.
Open the original- What it measures
- The two formats are close relatives, which is why an SRT file can usually be converted to WebVTT with small changes.
- What it does not show
- WebVTT adds features that SRT does not have, such as cue settings and styling, so the conversion is not always lossless.