Over time your Windows computer gets clogged with junk files, temporary data, bloatware and more useless data. Daily clutter, too many start-up items, and a corrupt registry slow down the system performance. Our free computer cleaner analyzes and cleans the system with smart PC cleaning tools.

Diagnoses your Windows system
CleanGenius runs a complete checkup of your entire system locating junk files, speed-reducing issues and causes of any system or application glitches or crashes. Through a lot of research and testing, we have worked out precise techniques that allow locating issues, which can be safely removed with no risk of damaging your operating system.

Cleans out junk files
Removing trash can help you keep your files and folder organized, save a ton of precious storage space, and improve system performance as your computer no longer has to churn through files that do nothing for you.

Restores system stability
Our PC optimizer finds problems within your Windows installation and registry, shows where they are coming from, and enables you to reduce or prevent these issues in the future. Our Windows cleaning software cleans the clogged or corrupted registry to speed you up.

Improves computer speed
CleanGenius tweaks non-optimal system settings to help most processes and operations go at a faster pace. It adjusts internet connection settings to ensure smooth browsing, faster downloads and better audio/video call quality. We want you to have a great PC experience, so we included tools to speed up many aspect of your PC’s operation.

Protects your privacy
Delete internet traces and temporary online data — Clear your search and browser history in Google Chrome, Safari, Mozilla Firefox, Microsoft Edge and Internet Explorer.

Worried what someone might see if they’re using your computer? Is your browsing history filling up and slowing down your device? We’ll show you how to clear your search and browsing history on your computer.

Guards smooth performance
To boost the effect you get from complete optimization, we have added automatic memory and processor management, which ensures that your active applications always have maximum resources allocated to them. This protects smooth and fast performance in real time and lets you have a consistently great computer experience every day.