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
  • 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.

    Speedometer
  • 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.

  • Fewer 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.

    Error graph
  • 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
Buy Now - $24.95 Free Trial
  • 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