GUIFormat is a freeware format partition software download filed under hard drive formatters and made available by RidgeCrop for Windows. GUIFormat is licensed as freeware for Windows 32-bit and 64-bit OS's, on a laptop or desktop PC. GUIFormat 1.0.1.0 is available to all software users as a free download for Windows.
Download the official release here. Published here because it seems like the official website goes down every 10 seconds.
You can download the x64 build of GUIFormat below. However the x86 build works fine on both x86 and x64 and you should use that.