If you need a commercial-grade tool that handles everything from CDI to MDF to DMG, by CrystalIDEA is unrivaled. It is the only tool on this list with a modern graphical interface that runs on Windows, macOS, and Linux.
Here's a step-by-step guide using PowerISO as an example:
Standard data CDs, simple software discs, and driver disks where pure data integrity is all that matters.
Recovering data from aging, potentially corrupted CDI files stored on old hard drives.
