PowerISO is a utility that lets Windows users easily manage CD, DVD and BD image files. It lets you create, open, extract, burn, split and convert ISO files with ease. PowerISO can also come in quite handy due to its virtual drive functionality. If you download an ISO file, you can mount it to the virtual drive and use the image just like if it was a physical disc. The interface is very user-friendly and intuitive and the program can integrate itself into Windows for easier access to all of its features. Another use for this tool is creating bootable USB drives.