# Compressing GameCube .iso with GCIT
Author: i12bretro
Keywords: GameCube,ISO,Compression,Storage,Gcit,Windows,Compact,Compress,Free Up Storage Space,Free Up Disk Space,Retro Gaming,Emulation,How To,Tutorial,i12bretro

1. Download GameCube ISO Tool Download
2. Extract GameCube ISO Tool and copy gcit.exe to the same directory as the GameCube .iso files
3. Open a text editor (ie Notepad) and paste the following command
   for %%f in (*.iso) do gcit.exe "%%f" -q -b -d ".\%%f.trimmed.iso"
4. Save the above Notepad document as gc.bat in the same directory as the GameCube .iso files
5. Double click gc.bat
6. Watch and wait