CCleaner is the number-one tool for cleaning your PC.
It protects your privacy and makes your computer faster and more secure!

Free Download Buy Now
  • Award

    Award-winning PC Optimization

    Trusted by millions and critically acclaimed. There’s a reason why CCleaner is the world’s
    favorite PC optimization tool! Easy to use, one click cleaning so beginners can optimize their
    computers in seconds and packed with advanced features for power users.

    PC Advisor 4 stars cnet 4 stars Editor's choice PC World 4 stars
  • Speedometer

    Faster Computer

    Is your computer running slow? As it gets older it collects unused files and settings which
    take up hard drive space making it slower and slower. CCleaner cleans up these files and
    makes it faster instantly.

  • Shield

    Safer Browsing

    Advertisers and websites track your behavior online with cookies that stay on your computer.
    CCleaner erases your browser search history and cookies so any internet browsing you do
    stays confidential and your identity remains anonymous.

  • Error graph

    Less Errors & Crashes

    Over time your registry can become cluttered with errors and broken settings which lead
    to crashes. CCleaner’s patented registry cleaner clears out this clutter to make your PC
    more stable.

  • Dial

    Quicker Startup

    Many programs run silently in the background when you start up your computer. CCleaner
    helps you get to work, or play faster by letting you disable unneeded programs.

Which CCleaner version is right for you?

  • Faster Computer
  • Privacy Protection
  • Free Download
  • Faster Computer
  • Privacy Protection
  • Real-time Monitoring
  • Automatic Updates
  • Premium Support
  • Disk Defragmentation
  • File Recovery
  • Buy Now - $39.95 Free Trial

As featured in

BBC The Telegraph The Guardian The Sunday Times The Observer The New York Times The Huffington Post The Washington Post

Also available for your Android device!

CCleaner For Android

CCleaner optimizes your Android in seconds. Making your
device cleaner, safer and faster

Free Download
Android Interface