: Specifically designed to create and restore NKit images, which are often the smallest possible files for GameCube libraries.
Users on a storage budget who want near-instant loading times and don't mind using a slightly more specialized format.
: A common compressed format used by the Dolphin Emulator , which removes the "garbage data" (dummy files) Nintendo used to fill up the 1.35GB mini-discs.
: RVZ can compress files by up to 90% depending on the game.
If your console is literally running hot or freezing, community experts recommend: Thermal Paste Replacement gamecube games highly compressed hot
Devices like the Steam Deck or Android handhelds have limited storage. Using compressed formats allows you to store a full collection of hundreds of games on a single SD card.
Are you looking to save space on an or a hard drive ?
Ensure the setting to "remove junk data" is enabled.
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. : Specifically designed to create and restore NKit
What are you using for emulation? (PC, Android, Steam Deck, etc.) What emulator version do you currently have installed?
Uncompressed ISO and GCMThese are raw, identical copies of the physical retail discs. While they offer universal compatibility with older emulators and custom Wii hardware, they offer zero storage optimization. Every file remains locked at 1.35 GB.
Manually converting files one by one is tedious. The community has created powerful scripts to automate the process.
If you are searching for highly compressed GameCube games, you need to know the three major format types. Not all compression is created equal. : RVZ can compress files by up to 90% depending on the game
Always check your files against a "Redump" database to ensure you haven't deleted actual game data (like audio tracks or FMVs). A Word on Safety
The original file occupies the standard 1.35 GB on a disc. Because the core game requires very little data, clean compression reduces the final file size down to approximately 20 MB to 35 MB .
dolphin-tool convert -i "input.iso" -o "output.rvz" -f rvz -b 131072 -c zstd -l 5 -s
Playing on Dolphin Emulator for Android requires saving storage space, as phone storage is often limited or not expandable.