Unified Font Object

Unified Font Object (UFO)
Filename extension
.ufo, .ufoz
Developed byTal Leming, Just van Rossum, Erik van Blokland, Ben Kiel, Frederik Berlaen
Initial releaseUFO 1
Latest release
UFO 3
Type of format macOS Package, XML, Property List
Free format?Yes
Websitehttp://unifiedfontobject.org

The Unified Font Object (UFO) is an XML-based source file format for digital fonts. It was created by Tal Leming, Just van Rossum and Erik van Blokland. Contributors to the format also include Ben Kiel and Frederik Berlaen. According to its creators, the UFO is a "future proof" open format that is designed to be "application independent", "human readable and human editable".