WebVTT (Web Video Text Tracks) is aW3C specification for a file format marking up text track resources in combination with the HTML<track> element.

WebVTT files provide metadata that is time-aligned with audio or video content like captions or subtitles for video content, text video descriptions, chapters for content navigation, and more.

See also

• WebVTT on Wikipedia
• WebVTT on MDN
• Specification