Conversion of gcz files to iso file format

It looks like the only gcz to iso conversion possible is export of GCZ archivers to ISO format. For this you have to use programs like the Dolphin emulator, which allows user to export certain GCZ files to ISO format, mostly for the purpose of saving disk space.

Open GCZ file    Open ISO file

Related software

Dolphin icon

Dolphin

An opensource Gamecube and Wii emulator