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. Plus, it's packed with advanced features for power users.
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.
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.
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.
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.
Free for 14 days
CCleaner Free includes Professional features for 14 days.
If you haven't tried Pro yet, you'll get to try Professional features free for 14 days. After that, you'll be on CCleaner Free.No credit card details required, no obligation to buy
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CCleaner Professional is the most powerful version of Piriform's celebrated PC cleaner. It makes it easy to speed up a slow computer and keep your activity private — automatically and in the background.
These are some of the features you get with CCleaner Professional:
Regularly cleans junk files to keep your computer running smoothly
Clears history and cookies when you're not using your web browser
Windows and browsers constantly evolve. CCleaner updates once a month to stay on top!