- Extension
- .vtt
- .ttml
- Format
- Text
- Text
- Category
- Subtitles
- Subtitles
- Developer
- W3C
- W3C
- Description
- WebVTT (Web Video Text Tracks) is a text file format that is used to store subtitles and captions for online video content. It is supported by many web browsers and can be used to add captions and subtitles to HTML5 videos.
- Timed Text Markup Language (TTML) is an XML-based subtitle and caption format standardised by the W3C. It stores the text of each caption together with its timing, position and styling, and is used for broadcast, streaming and online video.
- MIME Type
- text/vtt
- application/ttml+xml