Rufus is a free and easy-to-use program for creating bootable USB disks from ISO images of operating systems, BIOS, or other firmware. Rufus supports various USB drive formats, such as Flash/Pen/Key disks, memory cards, etc. Rufus also lets you work on computers with no operating system installed or run low-level utilities. Rufus is open-source and available in many languages. Rufus is an ideal tool for those who want to quickly and easily create a bootable USB drive for various purposes.