Little Registry Cleaner is the first application designed to clean the system registry from unnecessary entries released on an open source basis. This means that the program is completely free for both home and commercial use, and the Little Registry Cleaner sources are available on the project website. The application scans and removes unnecessary entries from registry locations such as ActiveX controls, startup programs, system fonts, drivers, help files, program locations, history, application settings, sound locations, etc.

The application scans and removes unnecessary entries from registry locations such as ActiveX controls, startup programs, system fonts, drivers, help files, program locations, history, application settings, sound locations, etc. Like most of these applications, Little Registry Cleaner is also equipped with a module responsible for backing up all operations performed on the registry.