Best Free PC Cleaners of 2025

Master Uninstaller, a user-friendly and advanced software removal tool, simplifies the process of uninstalling unwanted applications with just one click. Perfect for Windows 10 or 11 users. This tool goes above and beyond the basic uninstall by automatically scanning for and removing leftover files and folders. It ensures that your system is clutter-free and optimized. It has powerful features such as batch removal which allows you to uninstall several programs at once, and the ability disable unnecessary Windows services in order to improve performance. Master Uninstaller is also an efficient space optimizer. It helps you identify and remove large software that is rarely used, allowing you to free up valuable space - potentially gigabytes - and improve the overall efficiency of your system. Its intuitive, sleek interface makes it simple to manage all programs including pre-installed software, third-party applications, Windows apps, bundleware and residual files.

BoostSpeed performs a thorough system check. It will locate junk files, speed-reducing problems, and causes of system or application crashes or glitches. We have developed precise techniques to locate issues that can be safely fixed without causing any damage to your operating system. This has been achieved through extensive research and testing. The cleaning module in BoostSpeed was designed to remove all types of junk from your computer, including unneeded system and user temporary file, web browser cache, unused errors logs, leftover Windows Update files and temporary Sun Java files, as well as unneeded Microsoft Office cache. It can help reclaim gigabytes worth of hard disk space for an average PC. BoostSpeed uses precision tools to remove invalid entries and corrupt keys from the Windows registry. This is done in the same way as a skilled surgeon. Our software has been tested to ensure that it fixes most glitches and crashes, restoring smooth performance.

Maintain your computer's health, completely automatically. FourOrganizer Ultra features seven AI-powered technologies. Each one is responsible for speed up, sorting and cleaning, permanent file deletion, security protection and real-time system resource analysis. You can even have your own AI Assistant to lift your mood! File Sort AI -- A powerful solution that supports more than 13,000 file types and achieves a sorting speed of 400,000/h files. File Sort AI helps you to declutter your computer and organizes all your files in a matter of seconds. It organizes files and moves them to their appropriate places. Deep Scan AI -- A unique technology that cleans your computer's core. It can often reveal shocking numbers of junk files. Deep Scan AI frees space for happy memories and not for the cache. Speedup AI -- This simply speeds up your computer by up to 58% It can also improve Windows startup times by up to 3x. Get the most out of your computer now

Reimage PC Repair Tool is an online service designed to rejuvenate your computer, enhance its performance, and restore Windows using vital fresh files. You can initiate a free scan of your PC and receive a comprehensive analysis through a detailed report. After reviewing the findings, you can purchase a license key to commence the restoration process for your Windows operating system. The Reimage Windows repair automatically replaces corrupted system files, offering a clean reinstallation experience in about an hour without the risk of losing any programs, settings, or personal data. The information you provide is exclusively utilized by Reimage for the purpose of your computer repair, and we assure you that it will not be shared with any third parties. Our dedicated technical support team is available around the clock to address any inquiries and assist you throughout the repair process via email support. By utilizing our innovative Windows recovery software, you can resolve your Windows issues effectively. Each time you launch the Reimage program, it will automatically fetch the latest updates and files necessary for a successful repair, ensuring you have the most current tools at your disposal. Additionally, this continuous improvement means that your computer will benefit from the most recent advancements in repair technology.

Thoroughly cleaning your computer and storage devices is essential for maintaining privacy and performance. With its smart overwriting feature, PrivaZer automatically detects the type of storage medium you're using, whether it's a magnetic disk or an SSD, and adjusts its erasure techniques accordingly. This software effectively prevents the recovery of your digital footprints. Every time you utilize your computer—whether at home or in a professional setting—activities such as browsing the web, streaming videos, downloading files, and managing software installations can leave behind sensitive data. Our commitment lies in developing top-notch applications that empower you with the necessary tools to enhance security, protect privacy, boost performance, and optimize storage on your computers and diverse storage devices. By utilizing PrivaZer, you can take proactive steps toward ensuring your digital activities remain confidential.

Advanced PC Cleanup simplifies the process of tidying up your computer, allowing you to eliminate unnecessary applications and files with just a few clicks. It protects your system from possible malware infections and clears out personal data stored online. By disabling startup programs and removing unwanted software, you can significantly improve your computer's performance. A scan will reveal the amount of storage that can be freed by deleting unused files and outdated downloads. Additionally, it helps in clearing personal information saved in web browsers. In one click, you can address various issues related to system cleanup and performance enhancement. Furthermore, it effectively removes malware and adware, safeguarding your data from potential threats. With all these features combined, it ensures that your PC runs smoothly and efficiently.

Avast One is an all-inclusive service that offers extensive protection through its award-winning antivirus software, VPN, data breach monitoring, and device cleaning tools, ensuring you remain safe and private in the face of modern threats. With its feature-rich antivirus, you can enjoy peace of mind without experiencing any slowdown in your device's performance. Safeguard your identity and personal details from cybercriminals while maintaining your desired level of online privacy. Experience enhanced performance on your computer and smartphone with improved processing speed, increased storage capacity, and extended battery life. Avast One serves as a complete online security solution, capable of preventing and eliminating malware to shield your devices, concealing your IP address via a VPN, and keeping your software updated to address vulnerabilities that could be exploited by hackers. It also protects against router hacking using a firewall, assists in securing your accounts in case of data breaches, and offers a multitude of additional features to enhance your security. Ultimately, Avast One stands out as an indispensable tool for ensuring your digital safety.

Tailored exclusively for Mac users, AVG Cleaner enables you to efficiently remove unwanted files, creating more room for the essentials that enhance your life. The latest version of AVG Cleaner simplifies this process significantly; with a single click, you can initiate a scan, effortlessly identify what is consuming your disk space, and swiftly review duplicate files. Additionally, AVG Cleaner integrates with the innovative AVG Zen™ network, providing you with a comprehensive remote view of your Mac's performance along with other connected devices. When paired with our complimentary AVG AntiVirus for Mac, you can also manage your security effectively, ensuring both your device's health and your online safety are well taken care of. Moreover, this powerful tool streamlines the maintenance of your Mac, allowing you to focus on what truly matters.

Dealing with persistent computer errors can be incredibly exasperating. If you're fed up with your computer's slow performance and lagging load times, consider using EaseUS CleanGenius as a solution. This robust PC enhancement tool offers a comprehensive and user-friendly approach for Windows users aiming to boost their computer's speed, optimize the operating system, and reclaim disk space, all achievable with a single click. Begin by quickly scanning your operating system to identify any underlying issues. For a more thorough analysis, conduct a deep scan to gain insights into your system's problems, including finding corrupted or obsolete files. With just one click, you can clean, repair, and optimize your computer system effectively. The software helps locate and eliminate duplicate files, empty folders, large files, and recently modified items. It also has the capability to unlock files or folders that are restricted by the system or other applications, allowing you to rename, move, or delete these locked resources seamlessly. Additionally, it ensures your registry remains defragmented and rectifies any registry errors. Moreover, the tool swiftly clears away junk files, unneeded shortcuts, and unwanted software, enhancing your overall computing experience significantly. By utilizing this software, you can restore your computer's performance to its optimal state.

Enhance your computer's performance, tidy up your system, and safeguard your private information. With AI at your side, everything becomes more efficient and exceptional. The reasons for improvement are numerous, often unfolding one after another, and many remain unknown to you. A multitude of programs initiate at startup, while various unidentified applications and services consume precious memory resources. Furthermore, your hard drive may be in dire need of defragmentation. Fortunately, Advanced SystemCare can address these issues in a single pass, optimizing your computer through over 30 troubleshooting tools. We truly mean business when it comes to boosting speed. Let AI free your device and conserve your valuable time. In its innovative AI mode, Advanced SystemCare crafts a tailored plan to scan and eliminate vast amounts of junk files, unnecessary logs, caches, and residuals left by third-party applications and browsers, specifically for your Windows 10 system. It continuously adapts to your optimization preferences and monitors your PC's performance. By identifying any problems and errors, it ensures all issues are resolved. A simple click each day refreshes your computer, leaving it running like new. Additionally, the ongoing optimization process contributes to a more streamlined digital experience over time.

Soft Cleaner is (License: Free) very highly powerful computer optimization software, establish strong cyber security. Acquire more free disk space and stability in system resource utilization without adding extra hardware components and without tweaking your computer. Your computer will always provide very high speed performance with the help of running 'Automatic Memory Optimizer'. Advanced features like, web and file search utility, speed up your computer, system cleaner. The software is useful for home, business, personal computers, computer networks.

Malicious toolbars and plugins have the potential to capture or compromise your browsing information while also causing your system to lag. IObit Uninstaller 11 offers a solution by effectively eliminating these browser add-ons to safeguard your privacy. Its expanded database allows for the detection of a larger number of harmful plugins and toolbars across popular browsers such as Chrome, Firefox, Edge, and Internet Explorer. Moreover, the new feature for blocking browser notifications aids users in disabling bothersome pop-up alerts, thereby creating a more seamless online experience. If your Windows PC is experiencing sluggishness due to an accumulation of software, or if you've ever encountered bundled installations, IObit Uninstaller 11 is equipped to address these issues. This tool is tailored to effortlessly delete unwanted applications, including those bundled with others, with just a single click. Additionally, its enhanced database enables the removal of five times more stubborn software and 30% more leftover files, accomplishing this in half the time it previously took. Consequently, users can enjoy a significantly cleaner and more efficient PC environment. With such comprehensive capabilities, IObit Uninstaller 11 stands out as an essential tool for maintaining optimal system performance.

Effortlessly clear up disk space and resolve registry issues on your computer while safeguarding your privacy and enhancing security. This solution not only optimizes your system but also accelerates its performance! It takes immediate action when applications attempt unauthorized changes, ensuring that any processes trying to alter the Windows registry without consent are promptly halted. Wise Care 365 is the go-to choice for countless Windows users aiming to maintain their PCs at optimal efficiency. Experience a rapid boost in performance and reclaim valuable hard drive space in just moments. As time passes, the hard drive and registry can accumulate unnecessary clutter. Wise Care 365 efficiently defragments these areas, leading to improved speed and stability for your machine. You will be impressed by its remarkable defragmentation speed. Additionally, it enhances overall PC performance by managing startup processes and services, making your computing experience smoother and more efficient than ever.

System Ninja serves as a swift and efficient optimization tool tailored for Windows users. The free version is devoid of advertisements or toolbars, making it an excellent choice for those seeking clean software. By eliminating junk files and unnecessary startup entries, System Ninja can significantly enhance your computer’s performance. It effectively cleans cookies, history, and cache from a multitude of browsers, including Google Chrome, Internet Explorer, Mozilla Firefox, Microsoft Edge, Opera, Brave, Yandex, PaleMoon, and more than thirty others. In addition to its cleaning capabilities, System Ninja comes equipped with a process manager, application uninstaller, duplicate file finder, and tools for analyzing software and hardware. Subscribers to SingularLabs Pro Club receive the added benefit of System Ninja Pro as part of their membership, which includes features such as one-click optimization, automatic updates, custom branding, a portable version, and various advanced options for experienced users. Furthermore, PC technicians have the ability to modify the colors and layout of System Ninja to entirely rebrand it for their clientele, offering a unique white-label solution. Pro Club members also have access to a portable version that can be used without installation, providing flexibility and convenience for on-the-go optimization tasks. This makes System Ninja not only a powerful tool for individual users but also an excellent resource for professionals in the field.

PC Fresh provides helpful suggestions for configuring services and autostart programs tailored to your needs. You can personalize the system’s appearance to align with your tastes. This tool allows you to visualize all background services and terminate any that you find unnecessary. Additionally, its memory optimization feature efficiently clears out excess memory usage without requiring a computer restart. PC Fresh showcases all auto-starting applications, enabling you to disable those that you don't need. Regardless of the Windows version you are using, you can purchase PC Fresh today and seamlessly transition to using it when you upgrade to Windows 10. The software conducts an assessment to determine your operating system needs, ensuring that the recommendations you receive are relevant and effective. With this feature, all non-essential services are deactivated, optimizing your system’s performance for better efficiency. Furthermore, users have the option to manually turn off any auto starters at their convenience, enhancing their control over system resources.

WashAnd Go effectively clears your browser's cache, cookies, and various unwanted files to enhance performance. It identifies and fixes system errors, leading to improved stability and speed for your computer. Often, program and system failures stem from incorrect registry entries, which WashAnd Go can address. The program provides a safety backup feature, allowing users to reverse any changes if needed. Regular maintenance and cleaning of your Windows PC are essential for optimal functionality. For more than two decades, WashAnd Go has been released annually in updated versions to assist users in maintaining their systems. It takes care of not only browser history and cache but also the recent file histories of over 500 applications, as well as metadata from programs like Word, Excel, and PowerPoint. This comprehensive cleaning process also removes personal data traces, ensuring greater privacy for users. Ultimately, using WashAnd Go can lead to a more efficient and secure computing experience.

Having an excessive number of applications set to launch automatically can significantly hinder your computer's performance. System Speedup provides a convenient overview of these startup programs, allowing you to delay or disable those that are unnecessary. Additionally, it identifies applications that may be contributing to sluggish startup times. As time passes, your hard drive can accumulate unnecessary files and clutter. System Speedup thoroughly checks your computer for redundant items, including system caches, temporary files, internet debris, and superfluous user data, and removes them to enhance your PC's efficiency and reclaim precious disk space. Moreover, certain files that web browsers cannot eliminate on their own can linger, but System Speedup takes care of this by erasing all online traces and temporary data from every browser, while also optimizing the browser's database for better disk hygiene. Furthermore, the registry is an essential component of every Windows system, but as it ages, it can become overwhelmed with invalid entries and remnants from uninstalled applications. With System Speedup, you can effectively analyze and resolve any registry issues that might be affecting your computer's performance. This comprehensive tool ensures that your system remains clean and operates at its best.

Easy PC Optimizer is designed to resolve frequent Windows issues, enhance your computer's efficiency, and assist you in organizing your files for optimal productivity. You can let Easy PC Optimizer handle the heavy lifting while you enjoy some downtime! Upon launching the application, you will be greeted with an overview of your PC's health and performance metrics. For access to additional tools within EPCO, simply navigate using the options available in the top menu bar. At the forefront of computer cleaning and optimization advancements, Easy PC Optimizer merges exceptional power and effectiveness with remarkable user-friendliness, ensuring a seamless experience for all users. With its intuitive interface, even those with minimal technical expertise can benefit from enhanced system performance.

With just a single click, JetClean restores that invigorating, fresh PC experience! This lightweight and user-friendly tool effectively eliminates unwanted system junk files, enhancing your PC's overall performance. By cleaning out unnecessary files and irrelevant registry entries, it significantly boosts your computer’s efficiency with minimal effort. Despite occupying very little space on your device, JetClean provides comprehensive cleaning and optimization features in a dependable manner. It quickly identifies and removes junk files from locations such as the recycle bin, recent documents, temporary files, log files, clipboard, DNS cache, error reports, memory dumps, and jump lists. This results in improved PC performance for both work-related tasks and gaming sessions, making you feel like you have a brand-new computer again. Additionally, by safely removing outdated and unused registry entries, it decreases the likelihood of system errors and crashes. JetClean also enhances startup speed by reorganizing applications that launch at the same time as Windows, while it effectively terminates programs that could hinder your system's performance. Ultimately, JetClean is your go-to solution for maintaining an optimized and efficient computing experience.

Eusing Cleaner is a complimentary tool designed for system optimization and privacy enhancement. It helps users identify and eliminate unnecessary files, invalid registry entries, and internet browsing history, while also supporting plug-ins for cleaning data from over 150 third-party applications. Users can easily choose which items to remove and designate specific cookies to keep. With just a single click, Eusing Cleaner efficiently clears cache, cookies, browsing history, typed URLs, autocomplete memory, index.dat files from browsers, as well as the Windows temp folder, run history, search history, recycle bin, and recent documents. Moreover, it offers a feature to overwrite deleted data multiple times, making recovery nearly impossible. In addition, it provides a comprehensive registry cleaning function that scans for invalid or outdated entries and presents a report of the errors detected. By addressing these invalid registry entries, your system's performance can be significantly improved, resulting in enhanced stability and speed. Furthermore, the user-friendly interface makes it easy for anyone to navigate and utilize its features effectively.

Introducing Sensei Monitor, an innovative solution for tracking the performance of your Mac. Equipped with a cutting-edge real-time statistics engine and a sleek, contemporary design, it simplifies the process of overseeing every element of your system. The development of Sensei Monitor stems from extensive research into Mac systems that spans more than ten years. With a comprehensive array of metrics that cover both software and hardware, it provides valuable insights into the performance of any modern Intel or Apple Silicon Mac. From the status items to the user interface panel, every element of Sensei Monitor is thoughtfully designed to seamlessly integrate with the latest macOS aesthetics. Moreover, it offers themes and customization options, allowing users to tailor its look to match their personal preferences. Sensei Monitor is built using advanced technology and is optimized for modern Macs, resulting in a reduction of CPU resource usage by up to 50% compared to other status bar monitoring applications, ensuring efficient performance. This makes it not only a powerful tool but also an efficient one for users who demand high performance from their machines.

FCleaner is a comprehensive freeware tool designed for cleaning and optimizing Windows disks and registries. It effectively eliminates unnecessary files and incorrect registry entries that consume disk space and hinder system performance, enhancing the overall speed of your Windows experience. Moreover, FCleaner prioritizes your privacy by allowing you to clear your internet history and remove cookies left by websites. With just a single click, you can wipe away all traces of your online activities, making it user-friendly for individuals without any technical expertise. While FCleaner is available for free, it is completely devoid of spyware or adware, ensuring a safe experience. Additionally, it includes a robust 'uninstaller' feature for managing software installations, allowing you to uninstall, repair, or update applications easily. The 'startup manager' feature grants you control over which programs launch at Windows startup, providing greater customization of your system's performance. Furthermore, FCleaner works in conjunction with RAMRush to optimize memory usage and with RecycleBinEx to enhance the management of your Windows Recycle Bin, making it a versatile tool for system efficiency. Ultimately, FCleaner is an excellent choice for anyone looking to maintain their computer's health without technical difficulties.

PowerMyMac provides an overview of your Mac's system performance, including insights into the CPU, Memory, and Disk usage. It assists in enhancing your Mac's speed by enabling complete uninstallation of unnecessary applications along with their associated files. You can swiftly and securely eliminate junk files to reclaim storage space, as well as identify and delete unwanted email attachments, iTunes backups, and language files you no longer use. Additionally, it allows you to scan for and remove large files that are no longer needed. The software also helps in detecting duplicate and similar images for removal, while clearing cache, downloads, and cookies from your browsers to ensure your privacy is maintained. With these features, PowerMyMac serves as an all-in-one solution for optimizing your device’s performance.

The fundamental tools necessary for the safe repair, optimization, and maintenance of your hard disk drive are crucial. By identifying and eliminating duplicates, temporary files, orphaned data, and other superfluous items, you can free up disk space and enhance your computer's performance. Simple Disk Optimizer is remarkably user-friendly and quick, incorporating safety features such as a two-step deletion process to prevent accidental loss, along with exclusion and ignore lists to safeguard crucial files. Addressing problems on your hard drive leads to a reduction in system-related issues, crashes, and conflicts. Simple Driver Updater employs proprietary algorithms to thoroughly scan for hard drive issues and repair them securely. Additionally, it effectively organizes and optimizes your hard drive to boost its operational efficiency. Simple Disk Optimizer will conduct a comprehensive scan of your hard drive for any problems. With its ability to repair, maintain, and optimize your hard drive, Simple Disk Optimizer helps restore peak efficiency not only to the drive itself but also to your entire PC, ensuring a smoother user experience overall. Regularly using these tools can significantly extend the lifespan of your hard drive and improve your computer's overall performance.

Simple PC Optimizer features sophisticated diagnostic tools designed to conduct a thorough examination of your computer to identify any problems it may have. This software not only resolves these issues safely but also implements various optimizations to enhance your PC’s performance and stability. It enables you to securely eliminate outdated, unnecessary, and junk files, thereby freeing up valuable disk space and memory for a noticeable boost in speed. Users can also set reminders and automate tasks to ensure their computer consistently operates at peak efficiency. Furthermore, you will gain direct access to a continually expanding collection of helpful articles and tutorial videos, allowing you to maximize the potential of your PC and rekindle your appreciation for technology. Simple PC Optimizer serves as a versatile tool that not only identifies and repairs issues on your system but also offers ongoing maintenance and optimization advice, ensuring your computer remains in top condition. With all these features combined, you have everything you need to repair, optimize, and maintain your PC effectively.