Compare the Top Free PC Cleaners as of January 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 These programs typically scan for outdated registry entries, temporary files, and unused programs that slow down the system.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
    PrivaZer

    PrivaZer

    Goversoft

    One of the Best PC Cleaning Software – The Smart CCleaner Alternative PrivaZer is among the best PC cleaning software for users who demand more than basic cleanup. As a powerful CCleaner alternative, it delivers in-depth cleaning, privacy protection, and performance optimization for your PC and all storage devices. Smart Technology That Adapts to Your Hardware PrivaZer automatically recognizes your storage device type (HDD, SSD, USB drives, memory cards) and adapts its cleaning and erasure algorithms accordingly. This protects your hardware while maximizing performance and freeing up valuable disk space. Complete PC Cleanup & Privacy Protection Every time you use your PC—browsing the internet, watching videos, downloading files, installing software—you leave recoverable traces. PrivaZer performs deep cleanup to: Permanently erase sensitive traces Optimize system performance Free up disk space Protect your privacy Professional-Grade Tools for Everyone Home / work
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    Starting Price: Free
  • 2
    Master Uninstaller
    Master Uninstaller is an advanced, user-friendly software removal tool designed to simplify the process of uninstalling unwanted programs with just 1 click. Perfect for Windows 10 and 11 users. This tool goes beyond basic uninstallation by automatically scanning and removing leftover files, folders, and registry entries, ensuring your system remains clutter-free and optimized. It includes powerful features like batch removal, allowing you to uninstall multiple programs simultaneously, and the ability to disable unnecessary Windows services to boost performance. Master Uninstaller also serves as an efficient space optimizer, helping you identify and remove large, infrequently used software to free up valuable storage space—potentially gigabytes—enhancing your system’s overall efficiency. Its sleek, intuitive interface makes it easy to locate and manage all programs, including pre-installed applications, third-party software, Windows apps, bundleware, and residual files.
    Starting Price: $0
  • 3
    Auslogics BoostSpeed
    Auslogics BoostSpeed helps businesses save money on expensive hardware upgrades by cleaning, tweaking and optimizing computer systems for top performance. Auslogics, an Australian software maker, has been offering professional computer maintenance solutions for over 15 years, with its flagship product BoostSpeed downloaded over 50 million times worldwide. BoostSpeed is an all-in-one suite of tools to remove file clutter, fix registry issues, defragment HDD, optimize SSD, tune up Windows, improve internet speed, boost MS Office apps, and resolve various malfunctions. In addition to that, it includes tools to cover many other PC-related tasks: recover accidentally deleted files; shred sensitive files & wipe free space on drives; check HDD for errors & prevent data loss; get full system information for getting support or part replacement; force-remove apps & their leftovers. The program is simple enough for novice PC users while letting IT pros run more advanced tweaking.
    Starting Price: $69.95 per year
  • 4
    4-Organizer Ultra

    4-Organizer Ultra

    American Best Technologies Company

    Keep your PC in a good shape, fully automatically. 4-Organizer Ultra has seven AI-powered technologies, each of them responsible for speed-up, sorting, cleaning, automatic scanning, permanent file deletion, security protection, real-time system resources analysis, and even a personal AI Assistant, which will boost your mood! File Sort AI — An extremely powerful solution, supporting more than 13,000 file types, reaching the sorting speed of 400,000/h files. File Sort AI declutters your PC, and puts an end to the chaos of files in seconds. It organizes files and moves them all to their respective places. Deep Scan AI — Unique technology, which cleans your PC from its core: often, the number of junk files deleted by it can be shocking. Deep Scan AI saves you space for happy memories, not for the cache. Speedup AI — Simply makes your PC up to 58% faster. It also has a tremendous Windows startup improvement — the boot-up time can become 3 times faster. Make the most of your PC now
    Starting Price: $19.99 for 1 year
  • 5
    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
  • 6
    JetClean

    JetClean

    BlueSprig

    With a single click, JetClean gives you that fresh, new PC feeling again! Lightweight and easy to use, JetClean removes system junk files and improves your PC performance. Cleans junk files and unneeded registry entries to improve the performance of your PC with one simple click. Takes up very little space in your computer, but offers great computer clean and fine-tune functionality in a reliable way. Swiftly locates and deletes any junk files that may exist in recycle bin, recent documents, temporary files, log files, clipboard, DNS cache, error reporting, memory dumps, and jump lists. Better PC performance for your work or gaming. Gives you the new computer feeling again. Reduces system errors and crashes by safely taking out all unused and old registry entries. Helps speed up PC startup by rearranging applications that launch together with Windows. Shuts down programs that may slow down your system.
    Starting Price: Free
  • 7
    Avast One
    Avast One is the all-in-one service that delivers comprehensive protection with an award-winning antivirus, VPN, data breach monitoring, and device cleanup tools to help you stay private and safe from today’s threats. Get peace of mind with an award-winning antivirus on your side that’s heavy on features, but won’t slow you down. Protect your identity and personal information from cybercriminals, and stay as private as you want online. Make your PC and phone feel newer with faster processing and more storage space, plus get longer battery life. Avast One is a complete online safety tool. Avast One prevents and removes malware to protect your computer, hides your IP address with a VPN, updates your software to patch vulnerabilities and prevent hacking exploits, defends against router hacking with a firewall, helps secure your accounts in the event of data breaches, and much more.
    Starting Price: $4.19 per month
  • 8
    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
  • 9
    IObit Advanced SystemCare
    Speed up computer, clean your PC, and protect your private data. AI makes everything easier, and extraordinary. The reasons are always one after another and you don't know all of them. Too many programs run at system startups. Unknown applications and services are running and occupying memory. Your hard disk is lack defragmentation. Advanced SystemCare can always fix them within one shot and optimize your PC with 30+ troubleshooters. Speedup, we mean it. Let AI liberate your computer and save your time. In the new AI mode, Advanced SystemCare can make a personalized plan for you to scan and clear tons of junk files, unnecessary logs, and caches, leftovers from third-party tools, and browsers, including your Windows 10 system. It always learns from your optimization habits and PC performance status. Find out your PC problems and errors, then fix them all. A daily click brings you a fresh PC.
    Starting Price: $16.77 per PC per year
  • 10
    Argente Utilities

    Argente Utilities

    Argente Utilities

    Argente Utilities supervise your computer continuously searching problems and performance bottlenecks. In addition, even we execute the routine maintenance and update when you are not in front of the computer for that will not be an annoyance. Now it is more easy than ever having a clean computer. Argente Utilities can remove quickly unnecesary files from Windows®, files that commit your privacy, at the same time you update the register and remove the huge amounts of the disk space. Obtain advanced optimizers performance that will help you to charge applications in a moment, to work faster and improve the functioning of the games. As if this were not enough applications, Argente Utilities puts as a disposal all kinds of applications, like hidden tools from Windows®, event managements tools, passwords, calendar, FTP and more.
    Starting Price: Free
  • 11
    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
  • 12
    Soft Cleaner

    Soft Cleaner

    Soft Cleaner

    Automatically speed up your slow computer systems. Anti-Spyware. Advanced Web and very advanced file search engine utility. Advanced features. The software is very useful for every computer to create instant speed up which is automated with the same configuration. It includes advanced features like Web Search very easily rather than time taking ordinary search results, also advanced and very advanced file search engines. Some of the specific features like complete system health, virus cleaner, game booster, anti-spyware utility and so on. Cleaning of almost all browser history and unusable data, best video streaming quality with the present quality. Requirement recommended 64 bit Windows operating system: Windows 11/10/8/Server, 32/64 bit or Windows 7 Ultimate 64 SP1-IE11(updated and .NET). License: Free.
  • 13
    IObit Uninstaller
    Malicious toolbars and plug-ins may record or steal your browsing data, as well as slow down. IObit Uninstaller 11 can remove browser plug-ins and toolbars to protect your privacy. And the enlarged database can identify more malicious plug-ins and toolbars on Chrome, Firefox, Edge and Internet Explorer. In addition, new browser notification block can help users turn off annoying pop-up notifications while browsing online, it can give you a smoother online environment. Is your Windows PC running slowly after installing piles of software? Have you ever installed a program with a bundle one? IObit Uninstaller 11 solves these problems for you. It is designed to remove any unwanted software and even bundled software in one click. Besides, the enlarged database can help users remove 5x stubborn software and 30% more residuals, which only takes half the time than before. That can better return users a cleaner and lighter PC.
    Starting Price: $14.77 per year
  • 14
    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
  • 15
    System Ninja

    System Ninja

    SingularLabs

    System Ninja is a fast and effective system optimization solution for Windows. Free edition, no ads or toolbars, just a great app. System Ninja can improve your PC’s speed by deleting junk files and removing unnecessary startup items. Cleans cookies, history, and cache from Google Chrome, Internet Explorer, Mozilla Firefox, Microsoft Edge, Opera, Brave, Yandex, PaleMoon, and 30+ others. System Ninja includes a process manager, app uninstaller, duplicate file finder, and a software/hardware analysis tool. SingularLabs Pro Club members get System Ninja Pro included with their subscription. Enjoy features like a simplified one-click optimization, automatic updates, custom branding, portable edition, plus several advanced features for power users. PC technicians can change System Ninja’s colors and layout to completely re-brand it for their clients. Yes, white-label System Ninja. Pro Club members can download a portable version that does not need to be installed.
    Starting Price: $14.95 per year
  • 16
    PC Fresh

    PC Fresh

    Abelssoft

    PC Fresh will assist you with recommendations when setting up services and autostart programs. Customize the look and feel of the system to your personal preferences. With PC Fresh all services running in the background can be displayed and stopped if necessary. The memory optimization helps to free up unnecessarily used working memory even without a necessary restart of the computer. PC Fresh lists all auto starters and allows you to disable all those you can do without. No matter which Windows operating system you have installed. You can buy PC Fresh today and continue to use it when you upgrade to Windows 10. PC Fresh performs an interview to identify your operating system requirements. Thus, only recommendations will be done, which satisfy your demand. With this mode, all unnecessary services are switched off to get maximum performance for you. Auto starters are displayed and can be switched off manually.
    Starting Price: €29.90 one-time payment
  • 17
    WashAndGo

    WashAndGo

    Abelssoft

    WashAnd Go removes internet traces in the browser cache, cookies and other unnecessary garbage files. WashAndGo can detect and correct system errors. Your system will become more stable and faster again. Incorrect entries in the registry can be the cause of program and system crashes. WashAndGo offers a security backup for "just in case" so that changes can be undone at any time. Your own Windows PC must be regularly maintained and cleaned up. For over 20 years, the WashAndGo program, which is published annually in a new and optimized version, has been helping with this. WashAndGo takes care of the cookies, the cache and the history lists of the web browser, the history of the last processed files of over 500 applications, and the meta data of Word, Excel, or PowerPoint. This cleaning also purifies the system. It also eliminates private "fingerprints" that the user leaves on his computer.
    Starting Price: €29.90 one-time payment
  • 18
    Avira System Speedup
    Too many programs trying to run automatically can really slow you down. System Speedup displays a list of applications that run on start, and lets you postpone or stop the ones you don’t need. It will even alert you to ones that slow down your system starts. Over time, your hard drive becomes cluttered. System Speedup scans your PC for all the stuff it no longer needs – system cache, temp files, internet junk, and unnecessary user data. It then clears it all, cleaning your PC and freeing up disk space in the process. There’s some stuff browsers can’t delete by themselves. System Speedup removes all online traces and temporary data from every browser, and then optimizes the browser database to keep your disk clean. Your registry is a critical behind-the-scenes player on every Windows machine. But over time, invalid registry entries or leftovers from uninstalled software pile up. System Speedup can analyze and clean up any registry problems you have.
    Starting Price: $31.99 per PC per year
  • 19
    Easy PC Optimizer

    Easy PC Optimizer

    Easy PC Optimizer

    Easy PC Optimizer will fix common Windows problems, speed up computer performance and help you manage your files for maximum productivity. Let Easy PC Optimizer do the work while you sit back and relax! When you first open Easy PC Optimizer, the app will show your PC's health and performance status. If you want to check out other EPCO tools, use the navigation options in the top menu bar.At the cutting edge of computer cleanup and optimization technology, Easy PC Optimizer combines the ultimate power and effectiveness with unmatched ease of use.
    Starting Price: Free
  • 20
    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
  • 21
    Eusing Cleaner

    Eusing Cleaner

    Eusing Software

    Eusing Cleaner is a free system optimization and privacy cleaner tool. It allows you to find and remove the unused files in your system, invalid registry entries, delete your internet history and provides plug-in support to clean the history for over 150 third-party applications. You can select the items that you want to be cleaned and also specify cookies that should not be deleted. With simply one click, Eusing Cleaner can erase the cache, cookies, history, typed URLs, autocomplete memory, index.dat from your browsers, and Window's temp folder, run history, search history, recycle bin, and recent documents, etc. It also includes an option to overwrite deleted data multiple times, so it cannot be easily recovered. Additionally, it contains a fully featured registry cleaner. It will scan your Windows registry for invalid or obsolete information and provide a list of the errors found. After fixing the invalid entries, your system will be more stable and run faster.
    Starting Price: Free
  • 22
    Sensei

    Sensei

    Sensei

    Introducing Sensei Monitor, a brand new way to monitor your Mac performance. Featuring a state-of-the-art real-time statistics engine, stunning modern design, and a powerful editor, it’s never been easier to monitor every aspect of your Mac. Sensei Monitor is the culmination of over a decade of Mac systems research. Featuring a broad range of powerful metrics ranging from software to hardware, it is built to give powerful insights into the performance of any modern Intel or Apple Silicon Mac. From the status items to the panel, Sensei Monitor is meticulously hand-crafted to fit perfectly in with modern macOS. But we didn’t stop there. Monitor also supports themes and custom styling, so you can personalize the appearance to fit your style. Sensei Monitor is built with cutting-edge technology, and optimized for modern Macs. It uses up to 50% fewer CPU resources than other status bar monitoring apps.
    Starting Price: $29 per year
  • 23
    FCleaner

    FCleaner

    FCleaner

    FCleaner is a freeware all-in-one Windows disk and registry cleaning and optimization tool. It removes unused files and invalid registry entries that are eating up your disk space and slowing your system down, tweaks your system, and allows your Windows to run faster. FCleaner can also protect your privacy such as internet history, and the cookies that websites leave behind. You can erase all the traces of your online activities in just one click with the help of FCleaner. No experience or computer skills are necessary! FCleaner is free, but it does not contain any spyware or adware. A full-featured 'uninstaller' for you to uninstall, repair and update software. With the help of 'startup manager,' you can enable or disable the applications which run when Windows startups. Cooperate with RAMRush to optimize memory. Cooperate with RecycleBinEx to manage Windows Recycle Bin.
    Starting Price: Free
  • 24
    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
  • 25
    Simple Disk Optimizer

    Simple Disk Optimizer

    Simplestar Software

    The essential tools to safely repair, optimize and maintain your hard disk drive. Identify and remove the duplicate, temporary, orphaned and other unnecessary files to free up disk space and improve PC performance. Simple Disk Optimizer is unbelievably easy and quick to use and include safety features like 2 step deletion to protect against unwanted removal, exclusion lists and ignore lists to protect known needed files. By repairing issues on your hard drive, you will experience fewer drive-related system issues, crashes, and conflicts. Simple Driver Updater uses proprietary algorithms to scan your hard drive for issues and safely repair them. It also organizes and optimizes your hard drive to improve its efficiency and effectiveness. Simple Disk Optimizer will scan your hard drive for issues. Simple Disk Optimizer can repair, maintain and optimize your hard drive to restore optimum efficiency and effectiveness to it, and to your PC.
    Starting Price: $3.03 per month
  • 26
    Simple PC Optimizer

    Simple PC Optimizer

    Simplestar Software

    Simple PC Optimizer includes advanced diagnostic tools that will perform a comprehensive and complete scan to find issues with your PC. Simple PC Optimizer will safely fix these issues and perform other optimizations to restore optimum performance and stability to your PC. Safely and securely delete old, unused and junk items to free up space and memory to give your PC a boost. Set reminders and schedule tasks to perform automatically to ensure that your PC continues to perform at its best. Direct access to our ever-growing library of informative articles and instructional videos will help you get the most from your PC and hardware, and learn more about how to love your computer again. Simple PC Optimizer is a multi-purpose utility that will diagnose issues on your PC, safely repair them, and provide other maintenance and optimization recommendations. The essential tools to safely repair, optimize and maintain your PC.
    Starting Price: $3.03 per month
  • 27
    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
  • 28
    Adaware Protect
    Adaware Protect is the all-in-one suite that includes Adaware Safe Browser to increase your online security. Adaware Protect's online security keeps your entire computer safe from suspicious websites. Adaware Protect blocks unsafe sites and lets you see what applications try to access malicious or unknown URLs. With one click, Adaware Protect allows you to block hackers and spyware from accessing your camera and microphone. When it's time to video conference, one quick click and you're ready to go. The Adaware Safe Browser gives you a faster more private way to navigate the web. Block ads for a faster browsing experience. Block cookies and trackers to keep from being tracked. Use our private search to keep your search history hidden. Choose your favorite features to optimize your PC’s performance. Scan and clean unnecessary files and applications on your PC from Adaware Protect. Keeping your computer safe has never been this easy!
    Starting Price: Free
  • 29
    ShieldApps PC Cleaning Utility
    PC Cleaning Utility is a system cleaner that makes cleaning your computer a safe and simple process. Over time a computer becomes full of files that eventually clog the hard drive. PC Cleaning Utility cleans files that could be causing your computer to perform at a substandard level. By cleaning up such files, PC Cleaning Utility will help reduce system crashes and freezes. With PC Cleaning Utility you can choose which areas on your computer to scan and clean. Choose from virtual devices, libraries, installations strings, junk files, temporary files, system software, history, start menu, and more. By cleaning up potentially-problematic files, PC Cleaning Utility minimizes the chance of a computer freeze or crash caused by such files. Use PC Cleaning Utility to defragment a computer’s registry, as over time a computer’s registry becomes fragmented when files are constantly deleted causing performance to decline.
    Starting Price: $39.99 one-time payment
  • 30
    Slimware SlimCleaner
    Tune up your PC for better program response time, more space, and fewer unwanted programs. Free Scan for Windows® 10, 8, 7, Vista & XP Operating Systems. Price $29.97 for a 1 Year License with Premium Features. Slimware Cleaner delivers up to date information, ratings, and recommendations from users. Utilize premium features to remove unnecessary files and junkware that take up space and compromise your privacy. Get the most out of your system and make your PC perform like almost new again. Slimware Cleaner offers up-to-date information, ratings and recommendations for users. Use premium features to remove unnecessary files and junkware that take up space and endanger your privacy. Get the most out of your system and get your PC running like new again. Change the response time of programs.
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