Clean Master for PC is a cleaner of junk files and a computer optimizer. The desktop tool removes invalid, temporary, and cache files that tend to slow down a device. It targets over 500 applications and cleans software junk left behind. The Windows-based tool has an intuitive interface with various functions, including a one-click automatic cleaning option. While the standard version of the app offers some great options like PC Boost and Privacy Clean, the pro version offers a File Shredder and Recovery option. The Clean Master app download is also available for Android devices.