If you extracted an .iso or .wbfs, you can re-compress it:
The Nintendo Wii remains one of Nintendo's most successful consoles, boasting a library of classic titles ranging from Super Mario Galaxy to The Legend of Zelda: Twilight Princess. As digital preservation and emulation have grown in popularity, the file size of Wii games has become a significant topic of discussion among enthusiasts.
Search for "Wii <game name> highly compressed" or use private trackers. Public torrents may have seeded packs like "Wii 50 Best Games – WIA Ultra Compressed (2.1 GB total)". nintendo wii roms highly compressed
Pro Tip: When searching, use specific terms: Super Smash Bros Brawl WIA highly compressed or Mario Party 8 RVZ <200MB.
Instead of risking your PC security by downloading pre-compressed files from the internet, the best method is to manage your own backups. If you extracted an
Step 1: The Software The most trusted tool for this is Wii Backup Manager (for Windows).
Do you have a box of old Wii discs? Here is the professional way to create highly compressed files yourself. Instead of risking your PC security by downloading
Even with the perfect download, you might hit snags.
Some users convert highly compressed Wii ROMs into injects for Wii U. This requires the ROM to be in WBFS format first.