20 Best FREE PC Cleaner & Optimizer Software for Windows

Estimated read time 20 min read

In today’s fast-paced digital world, our computers have become indispensable tools for both work and leisure. However, as we use our PCs daily, they tend to accumulate unnecessary files, clutter, and performance-degrading issues. To ensure our Windows computers run smoothly, it’s essential to utilize reliable PC cleaner and optimizer software. This article presents an in-depth overview of the 20 best FREE PC cleaner and optimizer software for Windows, including their features, pricing, pros, and cons. Whether you’re a tech enthusiast or a casual user, these tools will help you maintain a well-optimized and efficient PC performance.

Best FREE PC Cleaner & Optimizer Software for Windows – Why Do You Need Them?

Before we delve into the specifics of the top software options, let’s understand why PC cleaner and optimizer tools are essential. Over time, your computer’s hard drive may accumulate temporary files, cache, and other unnecessary data that can significantly impact its performance. Additionally, outdated or corrupted registry entries may cause errors and slowdowns.

The best free PC cleaner and optimizer software help address these issues. They clean up your hard drive by removing junk files, optimize system settings for better performance, and even offer additional features like privacy protection and malware removal. Using these tools regularly can revitalize your PC and provide you with a smoother computing experience.

Criteria for Evaluating Best FREE PC Cleaner & Optimizer Software for Windows

When evaluating the best FREE PC cleaner and optimizer software for Windows, it’s essential to consider several key criteria to ensure you select a reliable and effective tool. Below are the factors to look for when making your decision:

  1. Performance: The primary purpose of a PC cleaner and optimizer is to improve your computer’s performance. Look for software that offers efficient disk cleaning, registry repair, and system optimization features to enhance speed and responsiveness.
  2. User-Friendly Interface: A user-friendly interface is vital for both beginners and experienced users. The software should be easy to navigate, with clear instructions and intuitive controls.
  3. Cleaning Capabilities: Ensure that the software can effectively clean junk files, temporary files, and other unnecessary data from your system. Look for additional features like browser history cleaning and cache removal.
  4. Registry Repair: A reputable PC cleaner should have a registry repair feature to fix corrupted or outdated registry entries. This helps prevent system errors and improves overall stability.
  5. Privacy Protection: Some software includes privacy protection features to safeguard your personal data and browsing history. Look for tools that offer secure file deletion and browsing privacy options.
  6. Malware Detection and Removal: While not a primary function, some PC cleaners may include basic malware detection and removal capabilities. However, it’s still recommended to have a dedicated antivirus program for comprehensive protection.
  7. System Optimization: Look for software that offers system optimization tools, such as startup manager, disk defragmentation, and memory optimization. These features can further boost your PC’s performance.
  8. Updates and Support: Ensure that the software receives regular updates to stay compatible with the latest Windows versions and security patches. Reliable customer support is also essential in case you encounter any issues.
  9. Resource Usage: A good PC cleaner and optimizer should not excessively consume system resources. It should run efficiently in the background without causing slowdowns.
  10. Additional Features: Some software may offer extra features like file recovery, duplicate file finder, or software uninstaller. Evaluate if these additional tools align with your needs.
  11. Reviews and Ratings: Check online reviews and ratings from other users to gauge the software’s effectiveness and reliability. Look for positive feedback and a high overall rating.
  12. Vendor Reputation: Choose software from reputable and trustworthy vendors with a history of providing reliable products. Avoid downloading from unknown or unverified sources to avoid potential security risks.
  13. Compatibility: Ensure that the software is compatible with your specific Windows version (e.g., Windows 10, 8, 7, etc.) to avoid compatibility issues.

By carefully considering these criteria, you can confidently select the best FREE PC cleaner and optimizer software for Windows that meets your specific needs and helps keep your computer running at its best.

20 Best FREE PC Cleaner & Optimizer Software for Windows

1. CCleaner

CCleaner is a household name in the realm of PC optimization software. With its user-friendly interface and powerful cleaning capabilities, it has earned the trust of millions of users worldwide. This free PC cleaner effectively removes junk files, temporary data, and broken registry entries, freeing up valuable disk space and boosting overall performance. Additionally, CCleaner allows users to manage startup programs and uninstall applications easily. While the free version offers impressive features, the Pro version provides advanced features such as real-time monitoring and automatic updates.

Features:

  • One-click system cleanup
  • Registry cleaner
  • Browser history and cache cleaner
  • Uninstall manager
  • Startup program control

Pricing: CCleaner offers a free version with limited features. The Pro version, which includes additional functionalities, is priced at $24.95 per year.

Pros:

  • User-friendly interface
  • Effective junk cleaning
  • Comprehensive registry cleaner
  • Real-time monitoring (Pro version)
  • Automatic updates (Pro version)

Cons:

  • Some features are restricted in the free version
  • Occasional prompts to upgrade to the Pro version

2. IObit Advanced SystemCare

Advanced SystemCare by IObit is a versatile and feature-rich PC optimizer that offers a wide array of tools to enhance system performance. It boasts an intuitive interface and provides one-click optimization to remove junk files, privacy traces, and malware. The software also includes tools to defragment the disk and optimize the startup process, resulting in faster boot times. Furthermore, the Pro version offers real-time system monitoring and automatic RAM cleaning for seamless performance.

Features:

  • Junk file cleaner
  • Privacy cleaner
  • Malware removal
  • Disk defragmentation
  • Startup optimization

Pricing: Advanced SystemCare has a free version with basic features. The Pro version is available for $19.99 per year and offers additional tools and real-time monitoring.

Pros:

  • Comprehensive PC optimization tools
  • Malware detection and removal
  • Real-time system monitoring (Pro version)
  • Automatic RAM cleaning (Pro version)
  • Frequent updates and improvements

Cons:

  • Ads in the free version
  • Some features are exclusive to the Pro version

3. Glary Utilities

Glary Utilities is a powerful PC cleaner and optimizer that targets various system issues to improve performance. It offers a quick and thorough scan for junk files, broken shortcuts, and invalid registry entries. Additionally, Glary Utilities includes modules for disk cleanup, startup management, and privacy protection. The software’s user-friendly interface makes it easy for users to navigate and optimize their PCs effectively.

Features:

  • Disk cleaner
  • Registry cleaner
  • Startup manager
  • Privacy protection
  • Uninstall manager

Pricing: Glary Utilities provides a free version with essential features. The Pro version, priced at $39.95, unlocks advanced tools and technical support.

Pros:

  • Versatile system optimization tools
  • User-friendly interface
  • One-click optimization
  • Extensive disk cleanup
  • Frequent updates

Cons:

  • Limited features in the free version
  • Occasional promotional pop-ups

4. AVG TuneUp

AVG TuneUp, formerly known as AVG PC TuneUp, is a well-established PC optimization software. It offers a range of features, including junk file removal, registry cleaning, and system repair. The software’s Sleep Mode feature allows users to put resource-intensive programs to sleep, enhancing overall system performance. Additionally, AVG TuneUp provides automatic maintenance and updates to ensure optimal PC health.

Features:

  • Junk file cleaner
  • Registry cleaner
  • Sleep Mode
  • Automatic maintenance
  • Program updater

Pricing: AVG TuneUp has a free version with limited features. The Pro version, available at $49.99 per year, offers a full suite of optimization tools.

Pros:

  • Comprehensive system cleanup
  • Sleep Mode to optimize resource usage
  • Automatic maintenance and updates
  • Intuitive interface
  • Trusted brand reputation

Cons:

  • Pricey Pro version
  • Some features are exclusive to the Pro version

5. Wise Care 365

Wise Care 365 is a popular PC cleaner and optimizer known for its efficient and thorough system scanning. The software removes junk files, invalid registry entries, and browser traces to improve overall performance. Wise Care 365 also includes a disk defragmentation tool to optimize storage and a privacy eraser to protect sensitive data. Its simple and user-friendly interface caters to both beginners and advanced users.

Features:

  • Junk file cleaner
  • Registry cleaner
  • Disk defragmentation
  • Privacy eraser
  • System optimization

Pricing: Wise Care 365 is available in a free version with basic features. The Pro version, priced at $29.95 per year, offers more advanced tools and priority customer support.

Pros:

  • Efficient system scanning and cleaning
  • Disk defragmentation for optimized storage
  • User-friendly interface
  • Regular software updates
  • Active customer support (Pro version)

Cons:

  • Limited features in the free version
  • Frequent prompts to upgrade to the Pro version

6. Avast Cleanup

Avast Cleanup is a reliable PC cleaner that helps users reclaim storage space and boost system performance. It effectively removes junk files, bloatware, and residual data from uninstalled applications. Avast Cleanup also offers a sleep mode to optimize resource usage and extend battery life on laptops. With its user-friendly interface and real-time notifications, this software provides an excellent user experience.

Features:

  • Junk file cleaner
  • Bloatware removal
  • Sleep Mode
  • Real-time notifications
  • Browser cleanup

Pricing: Avast Cleanup has a free version with limited features. The Pro version, priced at $49.99 per year, includes automatic maintenance and advanced cleaning tools.

Pros:

  • Comprehensive junk file cleaning
  • Bloatware removal for optimized performance
  • User-friendly interface
  • Real-time notifications for system updates
  • Reliable customer support (Pro version)

Cons:

  • Some features are restricted in the free version
  • Higher price compared to similar software

7. BleachBit

BleachBit is an open-source PC cleaner that emphasizes user privacy and security. This software securely deletes junk files and clears cache and cookies from popular web browsers. It also allows users to shred sensitive files, ensuring they cannot be recovered. Being open-source, BleachBit is free to use, making it an excellent choice for privacy-conscious users who prefer transparency in software.

Features:

  • Secure file deletion
  • Cache and cookie cleaner
  • Browser cleanup
  • Customizable cleaning options
  • Disk space recovery

Pricing: BleachBit is completely free to use, as it is an open-source software.

Pros:

  • Open-source software
  • Emphasis on user privacy and security
  • Customizable cleaning options
  • Lightweight and fast performance
  • Regular updates and community support

Cons:

  • Lacks some advanced features found in paid alternatives
  • Limited customer support options

8. Ashampoo WinOptimizer

Ashampoo WinOptimizer is a feature-rich PC cleaner and optimizer that offers numerous tools to enhance system performance. It efficiently cleans junk files, invalid registry entries, and unnecessary browser data. The software also provides disk analysis and defragmentation for optimized storage. Additionally, Ashampoo WinOptimizer includes a duplicate file finder and a system tweaker for advanced users.

Features:

  • Junk file cleaner
  • Registry cleaner
  • Disk analysis and defragmentation
  • Duplicate file finder
  • System tweaker

Pricing: Ashampoo WinOptimizer offers a free version with basic features. The full version, priced at $39.99 per year, unlocks all the advanced tools.

Pros:

  • Comprehensive system cleaning and optimization
  • Duplicate file finder for efficient storage usage
  • System tweaker for advanced users
  • Regular software updates
  • User-friendly interface

Cons:

  • Some features are exclusive to the full version
  • Occasional promotional offers in the free version

9. Auslogics BoostSpeed

Auslogics BoostSpeed is a powerful PC cleaner and optimizer that focuses on enhancing system speed and stability. It offers a one-click scan and repair feature to remove junk files, fix registry errors, and improve internet connectivity. The software also includes tools for disk defragmentation, privacy protection, and software updates. With its simple interface and comprehensive optimization tools, Auslogics BoostSpeed caters to both novice and advanced users.

Features:

  • One-click system optimization
  • Registry cleaner
  • Disk defragmentation
  • Privacy protection
  • Software updater

Pricing: Auslogics BoostSpeed provides a free version with limited features. The Pro version, priced at $59.95 per year, offers additional tools and priority customer support.

Pros:

  • Comprehensive system optimization
  • Real-time system monitoring (Pro version)
  • Frequent software updates
  • Intuitive user interface
  • Active customer support (Pro version)

Cons:

  • Higher price compared to similar software
  • Some advanced features are exclusive to the Pro version

10. SlimCleaner Plus

SlimCleaner Plus is a user-friendly PC cleaner and optimizer that provides an all-in-one solution for system maintenance. It efficiently cleans junk files, improves startup times, and manages browser add-ons. SlimCleaner Plus also includes a driver updater to ensure hardware devices are up to date. The software’s cloud-based scanning enables users to benefit from real-time data and insights for better optimization.

Features:

  • Junk file cleaner
  • Startup manager
  • Browser add-on manager
  • Driver updater
  • Cloud-based scanning

Pricing: SlimCleaner Plus has a free version with basic features. The premium version, priced at $29.97 per year, unlocks advanced tools and real-time optimization.

Pros:

  • User-friendly interface
  • Comprehensive system cleanup
  • Real-time data and insights from the cloud
  • Frequent updates and improvements
  • Active customer support (premium version)

Cons:

  • Some features are exclusive to the premium version
  • Occasional prompts to upgrade to the premium version

11. Comodo System Utilities

Comodo System Utilities is a reliable PC cleaner and optimizer designed to improve system performance and security. It offers a robust junk file cleaner, registry cleaner, and privacy cleaner to enhance overall speed and stability. The software also includes a disk cleaner and a program manager to efficiently manage installed applications. With its emphasis on security, Comodo System Utilities helps users protect their sensitive data and online privacy.

Features:

  • Junk file cleaner
  • Registry cleaner
  • Privacy cleaner
  • Disk cleaner
  • Program manager

Pricing: Comodo System Utilities is available for free, providing users with a range of powerful optimization tools.

Pros:

  • Comprehensive system optimization tools
  • Emphasis on system security and privacy
  • Simple and intuitive interface
  • Regular software updates
  • Free to use

Cons:

  • Lacks some advanced features found in paid alternatives
  • Limited customer support options

12. Wise Disk Cleaner

Wise Disk Cleaner is a lightweight and efficient PC cleaner designed to remove junk files and free up valuable disk space. It offers a fast and thorough scan, targeting various system areas to ensure no unnecessary files are left behind. The software’s user-friendly interface and automatic cleaning options make it easy for users to maintain an optimized system. Moreover, Wise Disk Cleaner includes a disk defragmentation tool for further performance enhancement.

Features:

  • Junk file cleaner
  • Fast and thorough scan
  • Disk defragmentation
  • Automatic cleaning options
  • System performance monitor

Pricing: Wise Disk Cleaner is available for free, providing users with a hassle-free solution for optimizing their systems.

Pros:

  • Lightweight and fast performance
  • Thorough junk file cleaning
  • User-friendly interface
  • Automatic cleaning options
  • Disk defragmentation for enhanced performance

Cons:

  • Lacks advanced features found in paid alternatives
  • Limited customer support options

13. Wise Registry Cleaner

Wise Registry Cleaner is a specialized tool designed to clean and optimize the Windows registry. It effectively scans for invalid and obsolete registry entries, helping improve system stability and performance. The software’s backup and restore feature provides added security, allowing users to revert changes if needed. With its user-friendly interface and regular updates, Wise Registry Cleaner is a reliable choice for maintaining a healthy Windows registry.

Features:

  • Registry cleaner
  • Backup and restore
  • System stability check
  • Customizable scan options
  • Real-time monitoring

Pricing: Wise Registry Cleaner is available for free, offering users a powerful and reliable registry optimization tool.

Pros:

  • Specialized registry cleaning tool
  • Backup and restore feature for added security
  • User-friendly interface
  • Regular software updates
  • Free to use

Cons:

  • Lacks some advanced features found in paid alternatives
  • Limited customer support options

14. Avira System Speedup

Avira System Speedup is a comprehensive PC cleaner and optimizer that provides a wide range of tools to enhance system performance. It offers a junk file cleaner, registry cleaner, and privacy cleaner to improve overall speed and security. Avira System Speedup also includes a file shredder and a disk defragmenter for efficient storage usage. With its intuitive interface and real-time system monitoring, this software helps users maintain an optimized and secure system.

Features:

  • Junk file cleaner
  • Registry cleaner
  • Privacy cleaner
  • File shredder
  • Disk defragmenter

Pricing: Avira System Speedup provides a free version with basic features. The Pro version, priced at $39.99 per year, unlocks advanced tools and real-time optimization.

Pros:

  • Comprehensive system optimization tools
  • File shredder for secure data deletion
  • Real-time system monitoring (Pro version)
  • User-friendly interface
  • Regular software updates

Cons:

  • Some features are exclusive to the Pro version
  • Occasional prompts to upgrade to the Pro version

15. Advanced System Optimizer

Advanced System Optimizer is a versatile PC cleaner and optimizer that offers a wide array of tools to enhance system performance. It boasts an intuitive interface and provides one-click optimization to remove junk files, privacy traces, and malware. The software also includes tools to defragment the disk and optimize the startup process, resulting in faster boot times. Furthermore, the Pro version offers real-time system monitoring and automatic RAM cleaning for seamless performance.

Features:

  • Junk file cleaner
  • Privacy cleaner
  • Malware removal
  • Disk defragmentation
  • Startup optimization

Pricing: Advanced System Optimizer has a free version with basic features. The Pro version is available for $19.99 per year and offers additional functionalities.

Pros:

  • Comprehensive PC optimization tools
  • Malware detection and removal
  • Real-time system monitoring (Pro version)
  • Automatic RAM cleaning (Pro version)
  • Frequent updates and improvements

Cons:

  • Ads in the free version
  • Some features are exclusive to the Pro version

16. JetClean

JetClean is a straightforward and efficient PC cleaner designed to remove junk files and optimize system performance. It offers a fast and thorough scan, targeting various system areas to ensure no unnecessary files are left behind. The software’s user-friendly interface and automatic cleaning options make it easy for users to maintain an optimized system. Moreover, JetClean includes a registry cleaner and privacy cleaner for further optimization.

Features:

  • Junk file cleaner
  • Fast and thorough scan
  • Registry cleaner
  • Privacy cleaner
  • Automatic cleaning options

Pricing: JetClean is available for free, providing users with a hassle-free solution for optimizing their systems.

Pros:

  • Lightweight and fast performance
  • Thorough junk file cleaning
  • User-friendly interface
  • Automatic cleaning options
  • Registry and privacy cleaning for enhanced performance

Cons:

  • Lacks advanced features found in paid alternatives
  • Limited customer support options

17. Eusing Cleaner

Eusing Cleaner is a lightweight and straightforward PC cleaner designed to remove junk files and improve system performance. It offers a simple and intuitive interface, making it easy for users to optimize their PCs with just a few clicks. The software’s fast and thorough scan ensures that no unnecessary files are left behind. Eusing Cleaner also includes a registry cleaner and a privacy cleaner for comprehensive optimization.

Features:

  • Junk file cleaner
  • Simple and intuitive interface
  • Registry cleaner
  • Privacy cleaner
  • Disk space recovery

Pricing: Eusing Cleaner is available for free, providing users with a straightforward and reliable solution for optimizing their systems.

Pros:

  • Lightweight and fast performance
  • Simple and intuitive interface
  • Thorough junk file cleaning
  • Registry and privacy cleaning for enhanced performance
  • Free to use

Cons:

  • Lacks advanced features found in paid alternatives
  • Limited customer support options

18. Toolwiz Care

Toolwiz Care is a comprehensive PC cleaner and optimizer that offers a wide range of tools to enhance system performance. It efficiently cleans junk files, invalid registry entries, and unnecessary browser data. Toolwiz Care also includes a disk defragmentation tool to optimize storage and a privacy eraser to protect sensitive data. Its simple and user-friendly interface caters to both beginners and advanced users.

Features:

  • Junk file cleaner
  • Registry cleaner
  • Disk defragmentation
  • Privacy eraser
  • System optimization

Pricing: Toolwiz Care is available for free, providing users with a powerful and reliable solution for optimizing their systems.

Pros:

  • Comprehensive system optimization tools
  • User-friendly interface
  • Thorough junk file cleaning
  • Disk defragmentation for optimized storage
  • Free to use

Cons:

  • Lacks some advanced features found in paid alternatives
  • Limited customer support options

19. Razer Cortex

Razer Cortex is a specialized PC optimizer designed for gamers who want to optimize their gaming experience. It offers a one-click game booster to enhance system performance while playing resource-intensive games. Razer Cortex also includes a junk file cleaner and a disk defragmentation tool for overall system optimization. Additionally, the software provides an in-game FPS counter to monitor performance during gameplay.

Features:

  • Game booster
  • Junk file cleaner
  • Disk defragmentation
  • In-game FPS counter
  • System optimization

Pricing: Razer Cortex is available for free, providing gamers with a dedicated solution for optimizing their systems while gaming.

Pros:

  • Specialized game booster for improved gaming performance
  • Junk file cleaner and disk defragmentation for overall optimization
  • In-game FPS counter for monitoring performance
  • User-friendly interface
  • Free to use

Cons:

  • Limited features for general system optimization
  • Limited customer support options

20. AVG PC TuneUp

AVG PC TuneUp, now known as AVG TuneUp, is a well-established PC optimization software. It offers a range of features, including junk file removal, registry cleaning, and system repair. The software’s Sleep Mode feature allows users to put resource-intensive programs to sleep, enhancing overall system performance. Additionally, AVG TuneUp provides automatic maintenance and updates to ensure optimal PC health.

Features:

  • Junk file cleaner
  • Registry cleaner
  • Sleep Mode
  • Automatic maintenance
  • Program updater

Pricing: AVG TuneUp has a free version with limited features. The Pro version, available at $49.99 per year, offers a full suite of optimization tools.

Pros:

  • Comprehensive system cleanup
  • Sleep Mode to optimize resource usage
  • Automatic maintenance and updates
  • Intuitive interface
  • Trusted brand reputation

Cons:

  • Pricey Pro version
  • Some features are exclusive to the Pro version

Frequently Asked Questions (FAQs):

Q: What are PC cleaner and optimizer software?

PC cleaner and optimizer software are programs designed to improve the performance and speed of a Windows computer. These tools scan the system for junk files, temporary data, invalid registry entries, and other unnecessary clutter that can slow down the system. By removing such files and optimizing system settings, PC cleaner and optimizer software help users achieve a more efficient and responsive computing experience.

Q: Are free PC cleaner and optimizer software effective?

Yes, free PC cleaner and optimizer software can be highly effective in improving system performance. They offer essential features such as junk file cleaning, registry cleaning, and disk defragmentation, which can significantly enhance the speed and stability of a Windows PC. While some advanced features might be available in paid versions, free software can still provide a noticeable improvement in system performance.

Q: Are paid PC cleaner and optimizer software worth it?

Paid PC cleaner and optimizer software often offer additional features and more comprehensive optimization tools compared to their free counterparts. For users who require advanced functionalities, such as real-time system monitoring or automatic updates, investing in a paid version may be worth it. However, for casual users, free software can still provide significant improvements in system performance.

Q: How often should I run PC cleaner and optimizer software?

The frequency of running PC cleaner and optimizer software depends on your usage and the condition of your computer. For regular users, running the software once a week or once a month should be sufficient to maintain system performance. However, if you notice a slowdown or encounter system issues, running the software more frequently can help resolve these problems and keep your PC running smoothly.

Q: Is it safe to use PC cleaner and optimizer software?

Yes, reputable PC cleaner and optimizer software from trusted providers are generally safe to use. These software applications are designed to clean and optimize the system without causing any harm to essential files or data. However, it’s essential to download and install such software from official sources to ensure that you’re using a legitimate and secure program.

Q: Can PC cleaner and optimizer software fix hardware issues?

PC cleaner and optimizer software can improve the performance of your computer’s software and operating system. However, they cannot fix hardware issues. If you experience problems that appear to be hardware-related, it’s best to consult a professional technician for diagnosis and repairs.

Conclusion

Maintaining a well-optimized Windows PC is crucial for a smooth and enjoyable computing experience. The 20 best FREE PC cleaner and optimizer software listed in this article offer a range of tools and features to help you achieve just that. Whether you’re a casual user or a tech enthusiast, these software applications can clean up junk files, optimize the registry, and enhance system performance, making your PC run faster and more efficiently.

Remember to choose the software that best suits your needs, whether you require specialized gaming optimization or comprehensive system cleaning. Always download software from official sources to ensure its legitimacy and security. By regularly using these PC cleaner and optimizer software, you can ensure that your Windows computer stays in top shape, allowing you to make the most out of your digital journey.

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