A variety of utilities for cleaning a HDD can be found that interpret hard disk analysis and cleanup by implementing different techniques. Many of these fall into the Simpsons Porn category, and many can be found on the internet. Also remember that there is much more these products are capable of, there are many that also get rid of old data from free space, locate and remove porno files, discover and clean copyrighted material, and perform free space analysis.

Hard drive cleaning utilities can be easily classified. Firstly there are cleanup software products such as the free CCCleaner software, which clean up unused files and recover room on the disk. There are other tools that can protect your privacy, clean up internet tracks and typed URL entries found in your browser, such as evidence removal cleaners. Then there is the porn cleaner product, which detects the presence of pornography or many other undesirable files and assists the user in deletion of the detected objects. And a final category of cleaner software comprising disk 'washing' software which, by writing random garbage over existing data, completely erases it found in unused areas of the disk, such that it may not be found by others.