- Extension
- .f4v
- .vtt
- Format
- Binary
- Text
- Category
- Video
- Subtitles
- Developer
- Adobe Systems
- W3C
- Description
- Video container format used by Adobe Flash; based on the ISO MP4 format, which is based on the Apple QuickTime container format; specified by ISO/IEC 14496-12 as a base media file format; supported by Flash Player Update 3 (9,0,115,0) and higher.
- 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.
- MIME Type
- video/x-f4v
- text/vtt
