F4F File Extension
Have a problem opening a .F4F file? We collect information about file formats and can explain what F4F files are. Additionally we recommend software suitable for opening or converting such files.
What is the .F4F file type?
The .f4f extension is definitively associated with the F4V Flash Video Fragment (F4F) file type. Flash Video is a hugely popular proprietary content-delivery technology by Adobe that has become a de facto standard in HTTP streaming. Flash Video content is supported/provided by all major news and entertainment sites worldwide.
All HTTP-streamed Flash Video content is playable with free Adobe Flash Player browser plugins, available from Adobe for multiple platforms and OS'es.
Based upon MPEG-4 Part 10, F4V is the newer Flash Video format that uses the patented H.264 video and MP3/AAC audio compression codecs. When streamed, F4V files are broken down into a number of small fragments of equal duration (e.g., 4 sec each). Such fragments are downloaded by an HTTP client to the local cache and played back by the Flash Video plugin in sequence as a single video.
Thus, a .f4f file is a F4V fragment that can be opened and played back with any F4V-compliant media player. To obtain a single contiguous video file, any downloaded F4F fragments have to be re-joined. It can be done with several converter utilities.
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