Yay0

File Format
Name	Yay0
Ontology	Electronic File Formats Compression Yay0

Yay0 is a compression format used by Nintendo for game development. Like its brother Yaz0, it is found in Nintendo titles from the 2000s used to compress files, and can be identified by its Yay0 magic number.

Tools that handle Yay0 compressed files

• Yay0 decoder
• Wiimms SZS Tools, by Wiimm
• Wexos's Toolbox
• A python library for various GameCube file formats by LagoLunatic
• The "Yet Another GameCube Documentation" decompression routine

Further reading

• A more in-depth data layout on Yet Another GameCube Documentation