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.F4F File Extension

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File TypeFlash Video Fragment

DeveloperAdobe Systems
3.5 (2 Votes) Thanks for voting!
Rare Uncommon Average Common Very Common
CategoryVideo Files


This file is saved in a binary format, which requires a specific program to read its contents.


Partial .FLV video file created and used by Adobe Media Server, a software application used for streaming multimedia content; contains a fragment of an overall Flash video file; used for separating larger video files into smaller segments that can be sent to client computers that stream video content.

More Information

NOTE: The PHP script AdobeHDS can be used to join F4F fragments into FLV files.

Program(s) that open .F4F files
Updated 5/28/2013