Contents

System-declared uniform type identifiers

Common types that the system declares.

Overview

Uniform type identifiers declare common types for resources an app loads, saves, or opens from other apps. Apps that use proprietary types can define them by using the system’s unified type identifiers as base types.

Topics

3D content

Apple 3D content

Apple file system objects

Apple image formats

Apple system types

Application files

Audio

Audio and video

Compiled programming language sources

Compressed archives

Cryptographic files

Data interchange formats

Executables

Icon images

Images

Internet-specific

Property lists

Shazam

Scripted programming language sources

Text files

URLs

Apple system base types

Application base types

Image, audio, and video base types

Tag classes

See Also

Essentials