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GCZ ISO
File conversion

Convert GCZ to ISO

QUICK ANSWER
Is it possible to convert GCZ to ISO?
Yes - GCZ converts to ISO.

Dolphin can convert GCZ back to ISO losslessly: right-click the game in Dolphin's game list, choose 'Convert File', select ISO as output. Output is a byte-perfect ISO. Required if using a different emulator that doesn't support GCZ.

1 programs
Also to ISO: BIN · MDX · FCD

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Tested on macOS, Windows & Linux
Last verified Nov 2026

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How to convert GCZ to ISO

Converting a .GCZ file to .ISO lets you open the content in software that prefers the .ISO format, though some details may change compared with the original. The programs listed below open .GCZ files and can save or export them to .ISO (or a closely related format). One of them is Dolphin: Dolphin is an emulator for Gamecube and Wii. Thanks to this program, the users can play games in high resolution (HD and FullHD). It operates on many operating….

A full step-by-step guide for this conversion is on the way; the information above is drawn straight from our database.

Programs that convert GCZ

Dolphin

About these formats

.GCZ Dolphin Compressed GameCube/Wii Disc Image

A GCZ file is a compressed GameCube or Wii disc image created by the Dolphin emulator. Dolphin opens GCZ files directly without any extraction. To get a plain ISO back, right-click the game…

Open .GCZ details →
.ISO ISO disc image (ISO 9660 / UDF)

An ISO file is a sector-by-sector copy of an optical disc (CD, DVD, or Blu-ray) stored as a single file. On Windows 8 and later, right-click it and choose Mount - no software needed. To…

Open .ISO details →