ANIM is an animation file format developed for the Commodore Amiga platform as part of the Interchange File Format (IFF) standard. It utilizes delta compression techniques to store only the differences between consecutive frames rather than complete images, resulting in compact file sizes suitable for the Amiga's limited storage capacity. The format was widely adopted in Amiga multimedia applications, demos, and games, supporting various compression methods such as XOR compression and run-length encoding to optimize playback performance on original hardware.