In the early days of Wii modding, games were stored as 1:1 ISO copies. These files were massive—exactly —regardless of whether the game was a sprawling epic like Zelda or a tiny puzzle game.
Resulting file size typically ranges from to 4.1 GB (full disc minus update partition) .
If you have a collection of ISOs and want to convert them into space-saving WBFS files, you’ll need a few essential tools. 1. Wii Backup Manager (The Gold Standard)
: WBFS is the standard format for popular Wii homebrew apps like USB Loader GX FAT32 Support