Use NKIT 1.4 for your physical Wii hardware. Use RVZ for PC emulation only.
Standard ISOs for GameCube (1.4 GB) and Wii (4.7 GB) contain large amounts of "junk" data. NKit removes this to reduce file size significantly. Restoration: nkit 1.4 fully loaded
Are you planning to play these games on a or on original console hardware (Wii/GameCube) ? Use NKIT 1
This tool will rename every file to the correct format (e.g., Super Mario Galaxy (USA) (En,Fr,Es).iso ). If a file does not match the Redump checksum, NKit 1.4 will flag it as Corrupt and refuse to convert it. This ensures your "Fully Loaded" library is 100% clean. NKit removes this to reduce file size significantly
A standard Wii game might be 4.37 gigabytes. NKIT can shrink that same game down to just 1 gigabyte or less.
Lossy. It permanently deletes system update partitions, meaning you can never rebuild an exact copy of the original retail disc.