CCleaner (Crap Cleaner) is a freeware system optimization tool. That removes unused and temporary files from your system allowing it to run faster, more efficiently and giving you more hard disk space. The best part is that it's fast.

Cleans the following:

  • Internet Explorer Cache, History, Cookies, Index.dat.
  • Recycle Bin, Temporary files and Log files.
  • Recently opened URLs and files.
  • Third-party application temp files and recent file lists (MRUs).
  • Including: Firefox, Opera, Media Player, eMule, Google Toolbar, Netscape, Office XP, Nero, Adobe Acrobat, WinRAR, WinAce, WinZip and more...
  • Advanced Registry scanner and cleaner to remove unused and old entries.
  • Including File Extensions, ActiveX Controls, ClassIDs, ProgIDs, Uninstallers, Shared DLLs, Fonts, Help Files, Application Paths, Icons, Invalid Shortcuts and more... Backup for registry clean.
  • Windows Startup tool.

It seems like every week there's a new Web browser or anti-virus program. No need to worry we keep on top of them so we can update CCleaner to ensure your computer's safety, privacy and speed.

What's New

This latest CCleaner for Mac release brings support for the latest versions of macOS, stability fixes, and big improvements to accessibility.

General

  • Added support for macOS Catalina and Big Sur

Stability

  • Fixed a crash when using Large File Finder or Duplicate File Finder

Accessibility

  • Greatly improved support for VoiceOver so that people with visual impairments who use assistive technology can navigate quickly and intuitively through the app
  • Updated color contrast throughout the user interface to make text, icons, and buttons more readable for people with color vision deficiency