It automatically detects and permanently removes the useless padding bytes from an ISO.
If you are looking to save space on your hard drive or SD card while maintaining a playable library, you should look for these specific formats rather than "super compressed" files from sketchy websites: RVZ Format (Recommended): wii rom highly compressed
Never run an .exe , .bat , or .msi file disguised as a game. Wii games will only ever be .iso , .wbfs , .ciso , or .rvz . It automatically detects and permanently removes the useless