UltraISO lets you create,edit,convert CD/DVD images and allows you create bootable CDs or DVDs. Direct editing of the CD/DVD image (without extraction) is possible. You can create your own CD/DVD images and reuse them by burning them or mounting them.
 
Feature List:
- Duplicate CDs and DVDs to a ISO image.
 - Create ISO images from files located on a CD/DVD-ROM or hard disk.
 - Edit existing ISO files by adding, deleting, and creating files and folders.
 - Create bootable CD, DVD and floppy images.
 - Converts: .BIN, .IMG, .CIF, .NRG, .BWI and other less known standards to the standard ISO image.
 - Supports all ISO 9660 levels and the Joliet extension.
 - Optimization of ISO image file structures to save disc space.
 - Capable of mounting ISOs to a virtual drive.
 - Create checksums for data verification of ISOs.
 - Multiple language support.
 - Built in digital audio player.
 - Free version: Edits ".iso" files smaller than 300Mb
 
Changelog from 8.6
- Supports ISZ images with segments above 4GB large
 - Supports shell extension (isoshell) on 64bit Windows XP/2003/Vista
 - Improved UltraBurn, can burn all supported Audio CD/VCD/SVCD/Mixed Mode CD images
 - Can change all filenames in an ISO image to uppercase (Ctrl+Alt+U) or to lowercase (Ctrl+Alt+L)
 - New command-line parameters (-bin2isz) for compressing ISO images via command-line
 - Includes Lame 3.97 encoder
 - Fixed a bug with decoding some WMA files
 - Better supports latest Nero 7.7.5.1 and 6.6.1.6
 - Some minor improvements and bug fixes