PC Cleaner is designed to optimize and clean your system. PC Cleaner allows search and removal of unwanted and unused files, freeing space on your hard disk which enables Windows to run faster. The main feature of the program is that it searches for unnecessary files for all users, not just the current one. PC Cleaner cleans: Unnecessary Windows files. Unnecessary Internet Explorer files. Unnecessary Mozilla Firefox files. Unnecessary Chrome Google Chrome files . Unnecessary Opera Opera files. Temporary files Unity WebPlayer. Windows recycle bin. Recent documents.