# Compressing GameCube .iso with GCIT

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