Undisker is a disk image utility that can open, create, and extract ISO files. ISO files are images of CDROM disks, they are widely used for storing contents of entire CDs. Undisker can open ISO files, browse them, and extract their contents to your hard disk without burning the ISO file on a CD. Undisker can create ISO files by capturing your CDROM disks. In addition, Undisker can create disk images of hard, floppy and removable drives.