PrivaZer is a free PC cleaner and privacy tool that helps users in removing unwanted files and traces of online activity from their system. Its advanced scanning engine can detect and remove traces of browsing history, cookies, cache, temporary files, and other junk files. It also supports secure deletion of sensitive data, and can clean up free space on hard drives to prevent recovery of deleted files. Additionally, PrivaZer can scan for and remove potential privacy risks in various applications and system settings.