List of the Top 25 Free PC Cleaners in 2025

Master Uninstaller is a sophisticated yet easy-to-use software removal tool that streamlines the uninstallation of unwanted applications with a single click, making it ideal for users of Windows 10 and 11. This application surpasses standard uninstallation processes by automatically locating and eliminating leftover files and folders, ensuring that your system remains tidy and efficient. Among its robust features are batch removal, which allows users to uninstall multiple programs simultaneously, and the option to disable unnecessary Windows services, thus enhancing overall performance. Additionally, Master Uninstaller acts as a powerful space optimizer, helping users to pinpoint and eliminate seldom-used large software, which can free up significant amounts of storage—potentially gigabytes’ worth—leading to improved system performance. With its user-friendly and modern interface, it facilitates the management of all types of programs, including pre-installed software, third-party applications, Windows apps, bundleware, and residual files, making it a comprehensive solution for maintaining system health. Moreover, the tool's effectiveness in removing clutter contributes to a faster and more responsive computing experience.

BoostSpeed conducts an extensive analysis of your system, identifying unwanted files, issues that can slow down performance, and the underlying causes of application crashes or malfunctions. Our team has crafted accurate methodologies to identify problems that can be rectified safely, ensuring no harm comes to your operating system during the process, thanks to our rigorous research and experimentation. The cleaning component of BoostSpeed is engineered to eliminate all varieties of unnecessary clutter from your computer, encompassing unneeded temporary system and user files, web browser caches, obsolete error logs, remnants of Windows Update, temporary Sun Java files, and excess Microsoft Office cache. This functionality can potentially free up several gigabytes of hard drive space for an average PC user, leading to enhanced performance. In addition, BoostSpeed employs advanced tools to meticulously clear out invalid entries and corrupted keys from the Windows registry, akin to the precision of a skilled surgeon. Our software has undergone thorough testing, confirming its ability to resolve most glitches and crashes effectively, thereby restoring seamless operation and overall system efficiency to your computer. Additionally, this process contributes to an improved user experience, ensuring that your system runs smoothly and efficiently.

Ensure your computer's optimal performance effortlessly and automatically. The FourOrganizer Ultra utilizes seven advanced AI technologies, each designed to enhance speed, manage organization, perform thorough cleaning, ensure secure file deletion, provide security protection, and analyze system resources in real-time. Additionally, you can enjoy the company of your own AI Assistant, which can elevate your mood too! The File Sort AI stands out as an efficient tool that accommodates over 13,000 file types, boasting an impressive sorting capability of 400,000 files per hour. This innovative solution declutters your device, swiftly organizing and relocating files to their designated folders. Another impressive feature is the Deep Scan AI, a one-of-a-kind technology that delves into your computer's core, often uncovering a surprising amount of junk files. By utilizing Deep Scan AI, you can reclaim storage space for cherished memories rather than allowing it to be consumed by unnecessary cache. Moreover, the Speedup AI significantly enhances your computer's speed by as much as 58%, while also optimizing Windows startup times by up to three times. Experience the full potential of your computer today and enjoy a smoother, faster computing experience.

The Reimage PC Repair Tool is an online solution crafted to revitalize your computer, boost its efficiency, and restore Windows by using essential new files. You can start with a complimentary scan of your PC, which will provide an extensive analysis through a thorough report. After examining the results, you have the option to buy a license key to begin the process of restoring your Windows operating system. Reimage's Windows repair efficiently replaces damaged system files, delivering a clean reinstallation experience in roughly an hour while ensuring that no programs, settings, or personal data are lost. The details you submit are used solely by Reimage to facilitate your computer repair, with a firm commitment to not disclosing this information to any external parties. Our dedicated technical support team is available 24/7 to answer your questions and provide assistance throughout the repair journey via email. By leveraging our cutting-edge Windows recovery software, you can effectively tackle your Windows challenges. Each time you use the Reimage program, it automatically retrieves the most recent updates and files essential for a successful repair, guaranteeing you access to the latest tools. This continual enhancement means that your computer will not only be repaired but will also benefit from the latest innovations in repair technology, ensuring optimal performance for your device. As technology advances, our commitment to providing you with the best repair solutions remains steadfast.

Regularly cleaning your computer and storage devices is crucial for safeguarding both privacy and system performance. PrivaZer, with its intelligent overwriting capability, identifies the storage type in use, whether it be a magnetic disk or an SSD, and tailors its data erasure methods accordingly. This program effectively blocks the potential recovery of your digital traces. Each time you engage with your computer—be it for personal use or work-related tasks—actions like web browsing, video streaming, file downloads, and software management can inadvertently leave behind confidential information. Our dedication is focused on creating high-quality applications that equip you with the tools needed to improve security, maintain privacy, enhance performance, and manage storage across your computers and various devices. By using PrivaZer, you can take meaningful steps to keep your digital interactions private and secure, ensuring peace of mind in an increasingly interconnected world.

Encountering ongoing computer issues can be extremely frustrating. If you find yourself irritated by sluggish performance and prolonged loading times, you might want to try EaseUS CleanGenius as a viable solution. This powerful PC optimization tool provides a thorough and intuitive method for Windows users who want to enhance their computer’s speed, streamline the operating system, and recover disk space, all achievable with just a single click. Start the process by swiftly scanning your operating system to uncover potential underlying problems. For a deeper evaluation, you can perform a comprehensive scan to reveal system issues, including the identification of corrupted or outdated files. With one click, you can effectively clean, repair, and enhance your computer system. The program efficiently seeks out and removes duplicate files, empty folders, large files, and items that have been recently modified. Furthermore, it can unlock secured files or folders that may be restricted by the operating system or other applications, enabling you to rename, move, or delete these locked items effortlessly. It also maintains your registry in a defragmented state and corrects any registry errors that may arise. Additionally, the software quickly eliminates junk files, unnecessary shortcuts, and unwelcome applications, significantly improving your overall computing experience. By incorporating this tool into your routine, you can restore your computer's performance to a level that feels brand new. Ultimately, taking steps to optimize your system will not only enhance its speed but also prolong its lifespan.

Advanced PC Cleanup simplifies the process of organizing your computer, making it effortless to remove unnecessary files and applications with just a few clicks. This software not only eliminates unwanted items but also shields your device against potential malware threats while safeguarding personal information stored online. By managing startup programs and uninstalling apps you no longer need, you can boost your computer's performance significantly. Furthermore, its scanning tool shows the amount of storage you could free up by deleting outdated files and downloads. It also aids in clearing personal data retained in your web browser, enhancing your privacy. With a single click, a variety of PC cleanup issues can be addressed, leading to improved overall performance. Additionally, it proficiently eliminates malware and adware, ensuring your system stays protected from possible data risks. Ultimately, Advanced PC Cleanup serves as a thorough solution for keeping your computer in optimal condition and maximizing its efficiency, allowing you to enjoy a smoother computing experience.

Avast One serves as a comprehensive security solution that ensures robust protection for your devices. This service features a top-rated antivirus, a VPN for secure browsing, and monitoring for data breaches. Additionally, it offers tools for device cleanup, helping to maintain optimal performance against modern threats. With its award-winning antivirus, you can feel confident about the security of your computer without sacrificing speed or functionality. Enhanced privacy measures keep your identity and personal data secure from cyber threats, allowing you to enjoy a more anonymous online experience. Moreover, your devices will run more efficiently, offering improved storage capacity, faster processing speeds, and extended battery life. As a versatile online safety tool, Avast One guards against malware, anonymizes your IP through its VPN, regularly updates your software to address vulnerabilities, and aids in securing your accounts in the event of a data breach. In essence, Avast One is not just a security service; it is an essential companion for anyone seeking to enhance their digital safety and performance.

Designed specifically for Mac users, AVG Cleaner enables the quick removal of unnecessary files, freeing up valuable storage for things that matter most to you. The newest iteration of AVG Cleaner greatly enhances this experience; with a simple click, you can perform a system scan, easily pinpoint the items that are taking up space, and swiftly identify duplicate files. Furthermore, AVG Cleaner connects with the cutting-edge AVG Zen™ network, giving you a holistic view of your Mac's performance alongside other connected devices. When paired with the free AVG AntiVirus for Mac, it allows you to effectively oversee your security measures, guaranteeing your system's protection. This effortless integration of functionalities establishes AVG Cleaner as an indispensable resource for ensuring the optimal performance and security of your Mac, making it a must-have for users looking to streamline their digital lives. Ultimately, by utilizing AVG Cleaner, you can maintain an organized and efficient workspace on your Mac.

Boost your computer's efficiency, declutter your system, and protect your personal data. Thanks to AI, managing these tasks becomes not only easier but also more effective. There are countless reasons for your computer running slowly, many of which often go unnoticed. Often, a plethora of programs starts up automatically, while various unfamiliar applications and services use up essential memory. Moreover, your hard drive might require defragmentation to operate optimally. Luckily, Advanced SystemCare can tackle all these challenges simultaneously, enhancing your computer's performance with more than 30 troubleshooting tools at your disposal. When we talk about "speeding up," we mean it genuinely. Let AI streamline your computer by removing unnecessary clutter and saving you valuable time. In its innovative AI mode, Advanced SystemCare creates a customized strategy to help you scan and remove excessive junk files, unneeded logs, and leftover data from third-party applications and web browsers, including those tied to Windows 10. It evolves alongside your optimization habits, continuously observing your PC's performance. By pinpointing and correcting errors and issues, it guarantees a more seamless user experience. A simple click each day gives you a refreshed and rejuvenated computer, primed for use. Furthermore, consistent system maintenance not only prolongs its lifespan but also significantly boosts overall performance, ensuring you get the most out of your technology. Regular attention to your computer's health can lead to a noticeably improved experience.

Windows Slimmer streamlines your Windows operating system by eliminating unnecessary files and applications, resulting in improved efficiency and a more compact system. Despite regular maintenance, your system could still harbor countless superfluous files and applications that can hinder performance and consume precious disk space. Items such as outdated Windows Update files, old System Restore points, and disabled system components can contribute to sluggishness. With Auslogics Windows Slimmer, you can conduct a comprehensive analysis of your OS and benefit from an extensive cleaning process. This tool simplifies the removal of unwanted components, allows for the uninstallation of applications, and lets users modify settings to minimize their operating system's footprint, lower CPU consumption, and enhance privacy by reducing data transmission. Additionally, Auslogics' software boasts a user base exceeding 10 million individuals globally, showcasing its widespread effectiveness and popularity. By utilizing Windows Slimmer, users can experience a noticeably faster and more responsive computing experience.

Soft Cleaner is a free yet highly effective software designed to optimize computer performance while enhancing cybersecurity. It enables users to free up disk space and improve system resource management without the need for additional hardware or complex adjustments. With the 'Automatic Memory Optimizer' feature, users can ensure their computers consistently operate at high speeds. Additionally, it includes advanced functionalities such as web and file search utilities, effectively accelerating system performance and cleaning up unnecessary files. This software is beneficial for personal, business, and networked computers alike, making it a versatile tool for various users. Whether for individual or corporate use, Soft Cleaner stands out as a reliable solution for maintaining optimal computer efficiency.

Malicious toolbars and plugins can jeopardize your browsing security and lead to decreased system performance. IObit Uninstaller 11 presents a robust solution by completely removing these harmful browser extensions, thereby protecting your privacy. Its enriched database is capable of identifying a greater variety of malicious plugins and toolbars in widely-used browsers like Chrome, Firefox, Edge, and Internet Explorer. In addition, the innovative function for blocking browser notifications empowers users to turn off annoying pop-up messages, resulting in a smoother online experience. If your Windows PC is running slowly due to excessive software or if you've faced issues with bundled installations, IObit Uninstaller 11 can effectively tackle these problems. Designed to quickly eliminate unwanted applications, including those that come packaged with others, it requires only one click to execute. Furthermore, its upgraded database allows for the removal of five times more stubborn applications and 30% more leftover files, achieving this in half the time previously necessary. This leads to a significantly cleaner and more efficient computing environment. With its extensive features, IObit Uninstaller 11 is indispensable for anyone looking to maintain peak system performance while enjoying a hassle-free browsing experience. Its user-friendly interface and powerful capabilities make it an essential addition to your software toolkit.

Easily free up disk space and fix registry problems on your computer while protecting your privacy and boosting security. This solution not only streamlines your system but also significantly improves its speed! It takes swift action when applications try to make unauthorized modifications, ensuring that any attempts to change the Windows registry without approval are swiftly blocked. Wise Care 365 is a preferred choice for numerous Windows users looking to keep their PCs running at peak performance. Witness a quick increase in speed and reclaim essential hard drive space in mere moments. Over time, your hard drive and registry can become cluttered with unnecessary files. Wise Care 365 effectively defragments these sections, resulting in enhanced speed and stability for your device. You will be amazed by how fast it defragments. Furthermore, it boosts overall PC performance by optimizing startup processes and services, making your computing experience more seamless and efficient than ever before. With its comprehensive features, you’ll find every aspect of your system effectively managed and improved.

System Ninja is a fast and effective optimization tool designed specifically for users of Windows operating systems. The free version is free from advertisements and toolbars, ensuring a clean experience for users who prefer unencumbered software. By removing junk files and unnecessary startup entries, System Ninja can greatly improve the overall performance of a computer. It efficiently cleans cookies, browsing history, and cache from a wide range of web browsers, such as Google Chrome, Internet Explorer, Mozilla Firefox, Microsoft Edge, Opera, Brave, Yandex, and PaleMoon, among others. Beyond its cleaning functionalities, System Ninja offers a suite of additional tools, including a process manager, application uninstaller, duplicate file finder, and software and hardware analysis utilities. Members of SingularLabs Pro Club benefit from the inclusion of System Ninja Pro in their subscription, which introduces features like one-click optimization, automatic updates, custom branding options, a portable version, and various advanced settings designed for seasoned users. Moreover, PC technicians can customize the appearance of System Ninja, allowing them to rebrand the tool for their clients and provide a tailored white-label solution. This versatility ensures that Pro Club members can also utilize a portable version that requires no installation, making it a convenient option for optimization tasks while on the move. In summary, System Ninja proves to be not only a robust solution for individual users but also an invaluable asset for professionals in the technology sector looking to optimize their systems efficiently.

PC Fresh offers valuable recommendations for setting up services and autostart programs that cater specifically to your preferences. You have the ability to customize the look of your system to better reflect your personal style. This application enables you to monitor all background services and terminate any that may be deemed unnecessary. Its memory optimization function works effectively to reduce excessive memory consumption without the need for a system reboot. PC Fresh also displays all applications that start automatically, giving you the option to disable those that aren’t required. No matter which version of Windows you currently have, you can acquire PC Fresh today and easily start using it when you upgrade to Windows 10. The software performs an evaluation of your operating system's requirements, ensuring that the suggestions provided are both pertinent and beneficial. Furthermore, it allows for the deactivation of all non-essential services, significantly enhancing your system's performance and efficiency. Users can also choose to manually disable any auto-starting programs at their own convenience, which further empowers them to manage their system resources effectively. By utilizing these features, you can achieve a more streamlined and responsive computing experience.

WashAnd Go efficiently removes your browser's cache, cookies, and other unnecessary files to boost overall performance. It detects and rectifies system errors, resulting in greater stability and speed for your computer. Frequently, issues with programs and the operating system arise from faulty registry entries, which WashAnd Go is designed to fix. Additionally, the application features a safety backup option, enabling users to revert any changes if necessary. Regularly cleaning and maintaining your Windows PC is crucial for achieving the best performance possible. For over twenty years, WashAnd Go has been updated annually, providing users with tools to keep their systems in top shape. It handles not just browser history and cache but also the recent file histories of more than 500 applications, along with metadata from software such as Word, Excel, and PowerPoint. This thorough cleaning procedure also eliminates traces of personal data, thus enhancing user privacy. Ultimately, utilizing WashAnd Go can significantly improve both the efficiency and security of your computing experience, making it an invaluable tool for anyone looking to optimize their system.

Easy PC Optimizer is created to tackle common Windows problems, boost your computer's performance, and help you manage your files for maximum productivity. You can relax while Easy PC Optimizer takes care of the hard work! When you open the application, you'll be welcomed by a summary of your computer's health and performance indicators. To explore more tools within EPCO, simply use the options available in the top menu bar. Leading the way in computer cleaning and optimization innovations, Easy PC Optimizer combines impressive power and efficiency with outstanding ease of use, ensuring that all users enjoy a smooth experience. Its user-friendly design allows even those with limited technical knowledge to experience significant improvements in system functionality. This makes it an ideal choice for anyone looking to enhance their computing experience effortlessly.

With a simple click, JetClean rejuvenates your computer for a fresh and revitalized experience. This efficient and lightweight tool skillfully removes unnecessary system junk files, significantly improving your PC's performance. By eliminating superfluous files and outdated registry entries, it enhances your computer's efficiency with ease and minimal intervention. JetClean occupies very little storage on your device while offering robust cleaning and optimization capabilities. It swiftly locates and deletes junk files from several locations, including the recycle bin, recent documents, temporary files, log files, clipboard, DNS cache, error reports, memory dumps, and jump lists. This comprehensive cleanup leads to better PC performance, whether you're tackling work tasks or enjoying gaming sessions, making you feel as if you have a new device. Additionally, the tool carefully removes old and unused registry entries, which helps reduce the chances of experiencing system errors or crashes. JetClean also boosts startup speed by managing applications that run simultaneously with Windows, efficiently stopping any programs that might impede your system's efficiency. In essence, JetClean serves as an indispensable tool for anyone looking to maintain a well-optimized and high-performing computing environment, ensuring your device runs smoothly and effectively.

Eusing Cleaner is a free tool aimed at optimizing systems and enhancing user privacy. It assists individuals in locating and removing unnecessary files, outdated registry entries, and internet browsing data, while also accommodating plug-ins for cleaning data from more than 150 third-party applications. Users have the flexibility to select which items to delete and can specify certain cookies they wish to retain. With a single click, Eusing Cleaner can swiftly clear cache, cookies, browsing history, typed URLs, autocomplete memory, index.dat files from browsers, and also addresses the Windows temp folder, run history, search history, recycle bin, and recent documents. Additionally, it features an option to overwrite deleted data multiple times, making recovery almost impossible. The tool includes a thorough registry cleaning capability that scans for invalid or outdated entries and generates a report detailing any detected errors. By fixing these invalid registry entries, users can experience a notable boost in their system's performance, leading to improved stability and speed. The intuitive interface ensures that even those with minimal technical knowledge can navigate and make the most of its features without difficulty, making it an accessible choice for optimizing computer performance.

Presenting Sensei Monitor, a groundbreaking tool designed to track your Mac's performance effortlessly. Featuring a sophisticated real-time statistics engine and a modern aesthetic, it streamlines the management of every aspect of your system. The creation of Sensei Monitor is rooted in over a decade of thorough research into Mac technologies. With an extensive selection of metrics that encompass both hardware and software, it delivers crucial insights into the functioning of any contemporary Intel or Apple Silicon Mac. Every component, from status indicators to the user interface, is meticulously crafted to align with the current macOS design principles. Additionally, users can personalize the appearance of Sensei Monitor through various themes and customization features, aligning it with their individual tastes. Developed with state-of-the-art technology, the application is fine-tuned for modern Macs, achieving up to a 50% reduction in CPU resource consumption compared to other monitoring solutions. This combination of power and efficiency makes Sensei Monitor an essential tool for users who require optimal performance while maintaining system integrity. Overall, it stands out as a reliable companion for anyone looking to boost their Mac's capabilities.

FCleaner is a powerful free tool designed to clean and optimize Windows disks and registries effectively. It removes unwanted files and erroneous registry entries that take up disk space and slow down system performance, thereby improving the overall speed of your Windows experience. In addition to enhancing performance, FCleaner emphasizes privacy by enabling users to erase their internet history and delete cookies from websites. With its user-friendly interface, even those without technical skills can effortlessly clear all traces of their online activities with a single click. FCleaner is completely free and does not contain any spyware or adware, which ensures a secure experience for users. Additionally, it features a strong 'uninstaller' tool that simplifies the management of software installations, allowing users to uninstall, repair, or update applications with ease. The included 'startup manager' also gives users the ability to control which programs launch during Windows startup, offering more customization for their system's performance. Furthermore, FCleaner integrates seamlessly with RAMRush to optimize memory usage and with RecycleBinEx to improve the management of the Windows Recycle Bin, making it a comprehensive solution for system efficiency. Ultimately, FCleaner proves to be an excellent option for individuals seeking to preserve their computer's health without facing technical challenges, ensuring a smoother and more efficient computing experience overall.

PowerMyMac offers a comprehensive analysis of your Mac's performance metrics, detailing aspects such as CPU, Memory, and Disk utilization. It plays a vital role in boosting your Mac's efficiency by facilitating the thorough removal of redundant applications and their leftover files. Users can quickly and safely delete junk files to free up valuable storage space, in addition to locating and removing unwanted email attachments, iTunes backups, and obsolete language files. Furthermore, it enables you to search for and eliminate large files that are no longer necessary. The software also identifies duplicate and similar images for deletion while helping to clear cache, downloads, and cookies from your web browsers, thereby protecting your privacy. Featuring these robust capabilities, PowerMyMac stands out as a comprehensive tool designed to enhance your device’s overall performance and streamline its operation, making it a valuable asset for any Mac user.

Essential tools for the safe repair, optimization, and upkeep of your hard disk drive are vital for maintaining system health. By locating and removing duplicate files, temporary data, orphaned content, and other unnecessary clutter, you can reclaim valuable disk space while improving your computer's efficiency. Simple Disk Optimizer stands out for its user-friendly interface and quick functionality, featuring protective measures like a two-step deletion process to avoid unintentional data loss, in addition to exclusion and ignore lists that help preserve important files. Fixing issues on your hard drive can lead to fewer system-related problems, crashes, and software conflicts. Simple Driver Updater utilizes specialized algorithms to conduct a thorough examination of hard drive problems and repair them securely. Furthermore, it not only organizes but also enhances your hard drive's performance for optimal results. Simple Disk Optimizer will perform an exhaustive analysis of your hard drive to identify any existing issues. With its capacity to repair, maintain, and optimize your drive, Simple Disk Optimizer contributes to restoring peak operational efficiency to both the hard drive and your overall PC, leading to a more seamless user experience. Regularly utilizing these tools can greatly prolong your hard drive's longevity and bolster your computer's performance as a whole, which is essential for heavy users and professionals alike.

Simple PC Optimizer is equipped with advanced diagnostic tools that thoroughly analyze your computer to pinpoint any existing issues. This software not only safely addresses these concerns but also applies various tweaks to improve your PC's performance and stability significantly. It allows you to securely remove outdated, unnecessary, and junk files, freeing up essential disk space and memory for a noticeable speed increase. Additionally, users can create reminders and automate certain tasks to maintain optimal computer performance consistently. You will also have access to a growing library of informative articles and tutorial videos designed to help you unlock your PC's full potential, reigniting your enthusiasm for technology. Simple PC Optimizer stands out as a multifunctional tool that not only detects and corrects issues but also provides ongoing maintenance tips and optimization strategies, ensuring your computer stays in excellent condition. With these comprehensive features at your disposal, you are well-equipped to repair, optimize, and keep your PC running smoothly for the long haul while also gaining valuable insights into its overall functionality.