Deleted data can be recovered from your computer. Protect your privacy with this easy to use file shredder hard drive cleaner for Mac OS X that will erase data so it can't be recovered. Whether you want to clean a disk or wipe disk free space, ShredIt for Mac OS X is the right security eraser software for the job. Secure Delete files, disk free space, a hard drive, an external drive, a CD-RW and more. It comes with simple instructions, built in safety features, DoD, DoE, NSA, Gutmann standards compliance and online tutorials.