15 BEST Free PC Cleaner & PC Optimizer Software for Windows

PC optimization improves the life of your PC, and prevents the virus, bugs, malware from infecting your important and mission-critical data. It is very effective in enhancing your computer speed and increase your business productivity. Optimizing is useful to remove unwanted images, files, videos, and audios from your system.

Following is a handpicked list of Top PC Cleaner and tuneup utilities with popular features and website links. The list contains both open-source(free) and commercial(paid) computer cleaning software.

Best Computer Cleaner Software for Windows 10/Mac [Free & Paid]

Name Price Platform Link
Restoro Free + Paid Plans Windows Learn More
Iolo System Mechanic Free Trial + Paid Plans Windows Learn More
Advanced SystemCare Free Free + Paid Plans Windows Learn More
Avira Free Windows, Mac, Android, iOS Learn More
Ashampoo® WinOptimizer Free + Paid Plans Windows Learn More

1) Restoro

Restoro is a software that helps you to clean your registry with no hassle. This application can stop the computer from freezing and crashing. It can quickly secure and safely repairs your computer to an optimized state.



  • Restoro can fix error messages.
  • It allows you to repair damages made by the virus.
  • Provides convenient PC repair at any time.
  • This application can repair and rebuild Windows OS
  • It can restore and replace DLL files.
  • Detects dangerous websites
  • Free precious disk space
  • It can find threatening apps before they damage your PC.

2) Iolo System Mechanic

Iolo System Mechanic

Iolo System Mechanic supports a personalized report detailing problems and list of recommended fixe. This tool improves PC boot time, Internet download speed, CPU performance, drivers, and RAM.


  • It automatically increases the speed of CPU, hard drive, and RAM.
  • Finds an unwanted startup program that slows down your computer.
  • It finds and repairs more than 30,000 various problems.
  • Optimizes hidden Internet settings for faster page loads and downloads.
  • Safely wipes browsing history and patches windows security vulnerabilities which may harm your computer.
  • Removes over 50 various junk files and free up disk space.

3) Advanced SystemCare Free

Advanced SystemCare

Advanced SystemCare Free is simple and easy-to-use software. It helps you to clean, speed up, optimize, and protect your system. It also allows you to protect your online privacy. This tool also helps you to free up your disk space by cleaning junk files.


  • It manages startup items to boost computer startup.
  • IObit Advanced SystemCare increase system security and refresh your web browsing.
  • Drive Error Resolver & Repair windows
  • Fix windows issues
  • Single Click Removal of Software Leftovers.

4) Avira

Avira Free Security is an all-in-one security tool for Windows, Mac, Android, and iOS that that keeps your devices free of viruses, ransomware, and spyware. Powered by a smart scan, it scans your devices for threats, unsecure networks, software vulnerabilities, and performance optimizations, then fixes issues with one click.



  • Award-winning antivirus scanner
  • Free VPN (500MB/month on Windows and Mac, 100MB/day on mobile)
  • Password Manager
  • Junk file cleaner and duplicate file finder
  • Software Updater
  • Browser tracking blocker and ad blocker

5) Ashampoo® WinOptimizer

Ashampoo WinOptimizer

Ashampoo® WinOptimizer is an easy to use system optimization and cleaning tool. This application enables you to combine disk space with Defrag. It can analyze your hard disk and other installed hardware.


  • It offers a dashboard for instant accessing features.
  • The program supports the Microsoft Edge Chromium browser.
  • It uses an instant junk file cleaning algorithm.
  • Ashampoo provides detailed analysis logs.
  • It has enhanced browser extension manager.

6) CCleaner


CCleaner clears your online tracks, frees up space, and helps you manage your machine, so it runs faster. It is simple to clean and maintain you’re your PC.


  • It provides standard privacy protection.
  • The software product optimizes your Internet speed and your computer.
  • This tool faster startup and provide better performance.
  • Get more from your endpoints
  • Customize cleaning to your business needs
  • Boost security and stay compliant

7) Easy pc optimizer

Easy pc optimizer

Easy pc optimizer makes your PC fast, responsive, and error-free. It improves the performance of your system in a few clicks. This tool uses a computer optimization technique to configure Windows settings to match your hardware.


  • This software makes the slowest computer faster in few minutes.
  • It fixes Windows errors.
  • Easy pc optimizer enables you to manage hidden windows settings.
  • The tool backs up the registry before it changes any settings.
  • It cleans up junk files, and optimize startup.

8) AVG PC Tuneup for PC, Mac, and Android

AVG PC Tuneup

AVG PC Tuneup for PC, Mac, and Android tool helps you to make your old PC run faster. This tool has sleep mode technology to increase your PC performance, browsing speed, and faster disk cleanup process.


  • This disk cleanup software automatically fixes bugs, crashes, and maintains your computer.
  • It finds and removes junk programs and bloatware.
  • It allows you to clean up more than 200 apps.
  • Deep-clean your hard drive with Disk Cleaner
  • Surf lighter and faster with Browser Cleaner.
  • AVG PC TuneUp cleans registry automatically.
  • Helps you to keep your program up to date with just one click.
  • Update all program with one click.

9) CleanMyMac


CleanMyMac is all in one package to clean junk and makes your PC run fast. This software can monitor the performance of your PC and remove adware, malware, and ransomware.


  • It can clean unwanted files, like broken downloads, outdated caches, and logs.
  • This tool can locate large hidden files.
  • Fix issue in computer with one mouse click.
  • It supports the Mac operating system.
  • The application can quickly sort out software conflicts.

10) Wise Care 365

Wise Care 365

Wise Care 365 is a system maintenance tool that securely cleans up un unusable files boost your computer speed up the performance. It also provides many custom selection options that allow you to clean up files they don’t need.


  • Cleans Internet History and Other Traces on available your computer; thus, it protects your privacy.
  • Increase computer performance by defragging and re-arranging files on your hard disk.
  • It scheduled automatic disk cleaning.
  • Automatically update software.

11) Avast cleanup

Avast cleanup

Avast cleanup speedup and cleans your computer. This tool helps you to update your software, fix annoying problems, and removes bloatware.


  • The tool removes broken shortcuts.
  • It removes your registry.
  • Avast cleanup automatically updates your applications.
  • Provides a quick overview of computer health.
  • It detects and removes unwanted third-party toolbars and ads.
  • This software has a Patented tuneup method that puts all resource-draining applications in sleep mode to increase the speed.

12) Winzip System Utilities Suite

Winzip System Utilities Suite

Winzip is a utility suite that clean, protect, and optimize your system. This suite includes more than 20 tools that are needed for your PC.


  • Registry enhancers
  • Windows optimizers
  • Security & privacy tools
  • Common problem fixers
  • Junk cleaner

13) SlimCleaner Free


SlimCleaner is a PC optimization tool that enables your PC to increase better program response time, more space, and fewer unwanted programs. It is one of the best free PC cleaner and booster that has a performance mode and power management mode to optimize your computer.


  • Slimware Cleaner is one of the best cleaner for Windows 10 that provides up to date information, ratings, and recommendations from users.
  • You can remove unnecessary junkware and files which take up space and compromise your privacy.
  • Scan your PC with just one click.
  • This free computer cleaner has a performance boost mode to improve the performance of a computer.
  • This junk cleaner for PC has power management mode in order to efficiently manage power occupied by your computer.
  • SlimCleaner is one of the best free PC optimizer that provides unwanted startup items alert.

Download Link: https://slimware.com/slimcleaner

14) Fixmypc


FixMyPc Repair, optimize, and secure your PC in very new minutes. It is one of the best PC cleaner for free tool which fixes Windows issues with just a one mouse click.


  • You can disable background apps that are draining your computer.
  • It is one of the best free system cleaner to find and remove worms, bots, trojans, spyware, and adware virus attacks.
  • You can keep your PC free from unwanted clutter.
  • This PC cleaner for free tool speeds up your computer system by assembling fragmented file on the machine.
  • It is one of the best free cleaner for PC that cleans your tracks and protects your privacy.
  • This disk cleanup software has registry cleaners that help you to prevent program crashes and slow computers.
  • It has a system tweak to boost PC performance.

Download Link: https://fixmypc.tv/

15) PC Booster

PC Booster

PC Booster is one of the best cleaner for PC that refreshes and tunes your computer for better everyday performance to keep it clean and run like new.


  • It is one of the best free PC cleaners for Windows 10 to repair and clean files that decrease your computer speed.
  • Unclog bottlenecks that drag down your system performance.
  • This free PC tune up permanently erases your online activity and unwanted files for the security purpose.
  • PC booster computer cleanup software clears all the accumulated junk.
  • You can clear warnings, crashes, faults, pop-ups, and unwanted startup programs that slow your computer down.

Download Link: https://www.pcbooster.com/


❓ What is PC Cleaner?

A PC cleaner is a software tool that helps you to clean and optimize your computer in order to improve its performance. It scans and removes junk files, temporary files, unnecessary files, cache, browser cookies, etc. from your system and enhances the performance by eliminating these unnecessary files from your system.

💻 Which are the Best PC Cleaner Software?

⚡ How much does a PC Cleaner Tool Cost?

The price of a PC cleaner tool varies for each tool. Some PC cleaner tools are completely available for free or offer free trials which provide users with PC scanning and optimizing features. On the other hand, some PC cleaning software are paid that provide monthly or yearly plans for a single PC or multiple PCs with advanced features and 24/7 customer support as well.