contain a lot of "garbage data" to fill the physical disc. Compressing them removes this filler.
Use the free tool Wii Backup Manager or Dolphin Tool to convert your ISOs to RVZ (Compression level: 5). Wii Games Download Highly Compressed
When searching for "Wii Games Download Highly Compressed," always prioritize safety. Look for community-vetted repositories and avoid sites that require you to download "installers" or ".exe" files to get your game. Genuine Wii game backups will always be in formats like .wbfs, .rvz, .iso, or .zip/.7z archives. contain a lot of "garbage data" to fill the physical disc
There are several benefits to downloading highly compressed Wii games: Wii Games Download Highly Compressed