Disk Cleaner is a small, open source Windows utility to free disk space used by Internet Cache, cookies , System Temporary Files, Typed URLs, Run MRU, Find Document MRU and more. Disk Cleaner is very simple to use: one click is enough to wipe away unwanted files. Disk Cleaner can be extended with plug-ins.

It is very easy to use: select the items you would like to clean, press the clean button, and you're done! Despite the ease of use, the extendibility by plug-ins, which in fact are just simple text files, make that Disk Cleaner can also be used by power users to clean specific items. All that is needed to create a simple plug-in is a text editor, such as notepad.

CCleaner is a freeware system optimization, privacy and cleaning tool.

It removes unused files from your system - allowing Windows to run faster and freeing up valuable hard disk space. It also cleans traces of your online activities such as your Internet history.

The program contains a fully featured registry cleaner.