Compare the Top Free PC Cleaners as of March 2026

What are Free PC Cleaners?

PC cleaners are software tools designed to optimize and maintain a computer’s performance by removing unnecessary files, system junk, and other clutter. These programs typically scan for outdated registry entries, temporary files, and unused programs that slow down the system. They also help improve privacy by clearing browsing history, cookies, and other sensitive data. In addition to cleaning, many PC cleaners include features like disk defragmentation, malware protection, and startup optimization. Regular use of a PC cleaner can enhance system speed, free up valuable storage space, and improve overall computer efficiency. Compare and read user reviews of the best Free PC Cleaners currently available using the table below. This list is updated regularly.

  • 1
    Reimage

    Reimage

    Reimage

    Reimage pc repair tool is an online computer repair service that revives the life of your PC, restores peak performance, and recovers Windows with essential fresh files. Start your PC scan for free. Review your in-depth analysis in a detailed scan report. Purchase your license key and let the Windows restoration begin. Reimage Windows repair works by replacing system files automatically. It's like a clean Windows reinstallation in one hour, without losing any programs, settings or any user data. Your information provided is solely used by Reimage for the repair of your computer. We will not sell your information to any other party. Our technical support team is ready to answer questions and guide you to complete repair with 24/7 email support. Fix your Windows issues with our patented Windows recovery software. Every time you run the Reimage program, it will immediately download the latest version and files that you'll need for a successful repair.
    Starting Price: $624.95 one-time payment
  • 2
    CleanGenius
    If you are struggling with computer error after computer error, it can be enormously frustrating. If you are tired of the sluggish computer operation and slow load times, we recommend EaseUS CleanGenius to help you. This powerful PC booster provides an all-around and easy-to-use solution for Windows users to speed up PC, optimize & repair OS, free up disk space, etc. with only 1 click. Quick scan your computer OS to detect the problems. Deep scan your computer to help you understand more about your system problems as well as broken or invalid files. Clean, repair and optimize your computer system with just 1 click. Locate and remove cloned files, empty files, files of large sizes, or recently modified files. Unlock files or folders locked by system or other programs and help to rename, move or delete locked resources. Keep your registry defragmented and fix registry errors. Quickly clear junk files, useless shortcuts, unwanted files or software etc.
    Starting Price: Free
  • 3
    4DDiG Mac Cleaner
    4DDiG Mac Cleaner is an AI-powered optimization tool designed to clean, organize, and speed up Mac computers efficiently. It removes duplicate files, similar photos, large files, and hidden system junk to free up valuable disk space. The tool includes advanced scanning technology using MD5 algorithms to detect duplicates across internal and external storage. With a one-click AI auto-select feature, it smartly removes redundant files while preserving originals. It targets deep system caches, app logs, and leftover installers to reduce slowdowns and extend SSD lifespan. Trusted by millions, 4DDiG helps users from creatives to professionals keep their Macs running smoothly.
    Starting Price: $25
  • 4
    Wise Care 365

    Wise Care 365

    WiseCleaner

    Free to clean up disk and fix registry problems on your PC. Protect your privacy and make your PC more secure. Provide a better solution for optimizing and accelerating your computer! Take prompt action once some applications attempt to make modifications without your permission. This protector will identify and stop any processes that try to secretly change the Windows registry. Wise Care 365 is definitely the preferred option for billions of Windows users who want to keep their Windows PC at peak performance. Speed up a slow computer and free up more valuable hard disk space in seconds. Over time, your computer’s hard disk drive and registry will become cluttered. Wise Care 365 can defrag the drive and registry to make them organized, thus making your computer run faster and more stable. You are going to be amazed by its blazing defrag speed. It optimizes PC's performance, defrags disks and the Windows registry, and manages the startup process as well as services.
    Starting Price: $29.96 one-time payment
  • 5
    jv16 PowerTools

    jv16 PowerTools

    Great Software Company OÜ

    jv16 PowerTools is your one-stop-shop for true PC performance. Our system knows what files should be removed and what to keep safe. Ensuring your PC performs perfectly. Improves your Windows PC stability. Scans for system errors, left-over software, and unnecessary junk. Removes tracking cookies from your browser for better privacy. Remove unwanted programs intelligently. Detects traces of previously uninstalled software and cleans up. Easily delete unwanted software and built-in Windows apps you no longer need. Search for your files and data with ease. Find any file and all registry data with search words, list everything added by installed programs and quickly find lost documents. Delete locked and write-protected files. Right from our home screen, you can quickly and easily view system usage information, close unneeded apps, quickly find files, and begin using our many tools.
    Starting Price: $11.99 per year
  • 6
    PowerMyMac
    PowerMyMac shows you your Mac system status, the status of CPU, Memory, and Disk. It helps you speed up your Mac: Completely uninstall unneeded software and related files totally. Quickly and safely erase junk files from your Mac to free space. Locate and remove the unneeded email attachments, iTunes backup, and multi-languages. Scan and erase the large files you don't need. Find duplicates and similar images to remove. Clear cache, downloads, and cookies in browsers to protect your privacy.
    Starting Price: $9.95 per month
  • 7
    Adaware PC Cleaner
    Join the millions of users who trust Adaware Antivirus to protect their PC. With Adaware PC Cleaner, finding & removing unwanted files has never been easier. Enjoy a clean and optimal PC experience with every startup. Adaware PC Cleaner has all the essential tools you need to keep your PC running smoothly and as well as new. Our powerful Windows Repair feature identifies and repairs common Windows issues for you. Use our one-click scan solution to clean your registry, remove unwanted pop-ups, and declutter your PC faster than ever. Use Adaware PC Cleaner to improve your PC performance and optimize your PC by reclaiming disk space with one simple click. Scan and clean gigabytes of unnecessary files, system clutter, log files, temp folders, and even leftover junk that takes up space on your computer in seconds. Element to clean detection, invalid entries, and obsolete registry data. Windows startup configuration and improved application performance.
    Starting Price: $43.76 per year
  • Previous
  • You're on page 1
  • Next
MongoDB Logo MongoDB