Rufus is an utility that helps format and Create Bootable USB Flash Drives, such as USB keys or pendrives, memory sticks, etc. It can be be especially useful for cases where you need to create USB installation media from bootable ISOs (Windows, Linux, etc.), to work on a system that doesn’t have an OS installed, to flash a BIOS or other firmware from DOS, and to run a low-level utility.
If you create a DOS bootable drive and use a non-US keyboard, Rufus will attempt to select a keyboard layout according to the locale of your system. In that case, FreeDOS, which is the default selection, is recommended over MS-DOS, as it supports more keyboard layouts. Rufus Free Download Latest Version for Windows PC. It is full offline setup installer of Rufus.
Creating an ISO image from a physical disc or from a set of files is very easy to do however, through the use of a CD burning application, such as the freely available CDBurnerXP or BurnAware.
It can be especially useful for cases where:
you need to create USB installation media from bootable ISOs (Windows, Linux, UEFI, etc.)
you need to work on a system that doesn’t have an OS installed
you need to flash a BIOS or other firmware from DOS
you want to run a low-level utility