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.
You can download either the x86 or x64 build of GUIFormat. However the x86 build works fine on both x86 and x64 and you should use that.
Download the official release here. Published here because it seems like the official website goes down every 10 seconds.