USF

Core Media Player XML universal subtitle format
File type: Text file
A usf file extension is related to the Universal Subtitle Format used by Core Media Player.
Found 2 different file type records with the same usf filename suffix.
What is usf file?
File type category:
Text file
Date updated: July 13, 2025
The usf file extension is associated with the Universal Subtitle Format.
The USF is a XML based subtitle file format that supports text formatting and styling. It is supported by popular players, like KMPlayer, VLC player, The Core Media Player etc.
How to open usf file?
Use compatible tools to work with *.usf files.
How to convert usf file?
Probably can be converted to other formats.
Suggested software to open usf file:
Associated software actions with the usf file
Software applications that can open usf files:
NotePad++ text editor (Microsoft Windows)
Software applications that can edit usf files:
NotePad++ text editor (Microsoft Windows)
Software capable of saving usf files:
NotePad++ text editor (Microsoft Windows)
Programs for viewing usf files:
The Core Media Player (Microsoft Windows)
VLC media player (Microsoft Windows)
KMPlayer (Microsoft Windows)
VLC media player for Mac (Apple macOS / Mac OS X)
VLC media player for Linux (Linux/Unix)
VLC media player for Android (Google Android)
Nintendo Ultra 64 sound format
File type category:
Audio and sound file
Date updated: May 14, 2019
The usf file extension is also used for an audio format used on Nintendo Ultra 64 consoles.
USF is a file format which contains all the data needed to play a song from an N64 game. Once the song has been ripped into a USF file you can load it up in a player and listen to the music.