Universal USB Installer (Imager) aka UUI is a Live Linux Bootable USB Creator Software. This ISO to USB imaging tool allows users to easily Boot from USB. Make a flash drive boot from a Live Linux distribution, Windows Installer, or fully install Windows onto USB using Windows to Go methods. Popular antivirus scanners, disk cloning software, penetration testing, or other system tools can also easily be made to boot and run from the removable media.
The software is as easy as 1,2,3 to use. Simply choose your distribution from the list, browse to the ISO file, select your target flash drive, and then click Create. Once finished, you should have a ready to run Live USB containing the Live Operating System, Windows Installer, or System Diagnostics utility you previously selected.
Unlike tools which simply use DD (Copy and Convert) commands to directly burn ISO to USB, UUI includes several other methods that natively allow you to continue using your removable device for storage purposes, whilst including a "Try via DD" option. The DD method of copying, also known as Data Destroyer works by overwriting the entire file system, making the device appear as a CD/DVD which is limited to the size of the ISO file. However, it may be possible to recover lost drive space and then create an exFAT partition for continued storage purposes.
Another key feature of UUI is the use of persistent storage, where available. This persistence feature allows you to save some changes and then restore them on subsequent boots. Ubuntu based Casper persistence works with FAT32 or NTFS formatted drives. An option to use a larger than 4GB casper-rw or live-rw persistent block file, (also known as an overlay image) is possible when the drive is formatted with an NTFS filesystem.