The Unified Font Object (UFO) is a cross-platform, cross-application, human readable, future proof format for storing font data.

The UFO Design Philosophy

Versions

UFO 1 Published in 2004.
UFO 2 Published in March 2009.
UFO 3 Published in March 2012.
UFO 4 In development.

Questions, Comments, Discussions

If you have questions, comments or would like to discuss the UFO specification, please post to the UFO Specification Google Group.

Contribute

Contributions are welcome! The source for the documentation, an issue tracker and more are located on GitHub.