25 Best FREE Registry Cleaners for Windows PC [May 2022]

Registry cleaner software cleans up your Windows registry. It removes redundant registry entries, which increase your PC’s speed so that it runs faster and without any errors.

Following is a handpicked list of Top Registry Cleaner tool with popular features and website links. The list contains both open-source (free) and commercial (paid) software.



Top Pick
Outbyte PC Repair

Outbyte PC Repair is a window repair pc optimizer tool that allows you to see a quick performance overview of your computer. It helps you to identify and resolve performance issues that might be affecting your PC.

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Best Free Registry Cleaners for Windows

Name Price Platform Link
👍 Outbyte PC Repair Free Windows 11, 10, 8, 7 Learn More
👍 Restoro PC Repair Tool Free Windows 10, 8, 8.1, 7, Vista & XP Learn More
System Mechanic Free Windows® 11, 10, 8.1, 8, 7 Learn More
Advanced SystemCare Free Windows 10, 8, 7, Vista & XP Learn More
Advanced PC Cleanup Free Windows 10, 8, 8.1, 7 Learn More

1) Outbyte PC Repair

Outbyte PC Repair is a window repair pc optimizer tool that allows you to see a quick performance overview of your computer. It helps you to identify and resolve performance issues that might be affecting your PC.

Outbyte PC Repair


  • dentify and remove unused temporary or cached files
  • It helps you to prioritize specific apps for CPU processor time
  • Enables you to control the privacy of your data by disabling Windows telemetry features.
  • Helps you to solve hundreds of the most common PC issues
  • Supported platform: Windows.

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2) Restoro PC Repair Tool

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.

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3) System Mechanic

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.

Iolo System Mechanic


  • It automatically increases the speed of CPU, hard drive, and RAM.
  • Finds an unwanted startup program that slows down your computer.
  • It detects and repairs more than 30,000 various problems.
  • Optimizes hidden Internet settings for faster page loads
  • 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.

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4) Advanced SystemCare

Advanced SystemCare 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.

Advanced SystemCare


  • 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.

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5) Advanced PC Cleanup

Advanced PC Cleanup is easy to use PC cleaner tool that helps you to get rid of all types of redundant files and apps from your computer. This tool allows you to disable startup items and uninstall unwanted apps to enhance PC speed.



  • Enhances startup speed by disabling unwanted programs.
  • It helps you to remove malware, adware to save the system from any potential threats to data.
  • Helps you to remove redundant programs you don’t use to boost speed.
  • Deletes all temp files and clears trash from Recycle Bin.
  • You can remove your browser history to protect personal details from hackers.

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6) 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.

Ashampoo®  WinOptimizer


  • 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.

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7) CCleaner

CCleaner clears your online tracks, frees up space, and helps you manage your machine, so it runs faster. It is a simple tool to clean the registry and maintain 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.
  • Customize cleaning according to your business needs
  • Boost security and stay compliant

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8) O&O RegEditor

O&O RegEditor is a tool that enables you to optimize your REG files. This application allows you to speed up your computer. It can find and remove unwanted files that occupy your memory.

O&O RegEditor


  • Offers a convenient search function.
  • It has a simplified editing process.
  • You can add frequently used keys as a favorites
  • It can optimize REG files without any hassle..
  • You can export the registry in XML format.
  • This application can be used without any installation.

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9) Glary Utilities

Glary Utilities provides multiple system tools to maintain, fix, and protect your computer system. It provides a registry cleaner, spyware detections, disc cleanup, memory optimizer, etc.

Glary Utilities


  • Provides an authoritative and all-in-one utility for cleaning your PC.
  • This tool fixes frustrating crashes and errors.
  • It has automated and secure options.
  • Maximize your PC performance.
  • Glary Utilities has easy to use and intuitive interface.
  • It includes more than 20 system utilities to increase computer performance.
  • It scans and analyses PC issues.

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10) WiseCleaner

Easy pc optimizer is easy to use system maintenance tool that securely cleans up unusable files boost your computer speed up the performance. It also provides many custom selection options that allow you to clean up files they do not need.



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

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11) AVG PC TuneUp

AVG PC TuneUp 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.

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12) 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.

Easy pc optimizer


  • 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.

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13) Defencebyte

Defencebyte Computer Optimizer is a Registry Cleaner tool that encapsulates comprehensive technologies. It helps you to examine computer glitches and registry malfunctions. The tool also helps you to block all unwanted URLs.



  • Systematize scan scheduling.
  • It remarkably cleans up the PC’s registry to free hardware space.
  • Remove invalid paths/programs.
  • Delete useless file extensions.
  • Empty registry keys.

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14) Registry Repair

Glarysoft registry cleaner analyzes more than a dozen of different areas in your registry. It can identify various kinds of system and registry errors. The tool also creates a backup copy every time you repair the registry.

Registry Repair


  • Highly intelligent engine when finds invalid registry entries.
  • High scanning speed with detailed results.
  • Create backups of any registry change made.
  • Improve system performance and stability.

More Information >>

15) CleanMyPC

CleanMyPC software product keeps your PC clean and running like a new one. It scans your computer system to boost its speed, clean up junk files, and increase its performance.



  • With a few clicks, you can find useless files and removes them securely.
  • It allows the user to clean the registry on your computer.
  • Uninstall the Windows apps in the right way along with their leftovers.
  • This tool provides an easy way to speed up computer startup.
  • It identifies add-ons that are not needed and turn them off.
  • CleanMyPC maintains your online privacy.
  • You can easily get rid of the hibernation files.

Link: https://macpaw.com/

16) WinUtilities

WinUtilities Pro is a system utility software. It is easy to use and provides an effective solution to improve your computer’s performance. It cleans disks from information that reduces the performance of your system.



  • This free registry cleaner tool deletes all traces of activity on your PC.
  • You can add a password to protects your executable files.
  • Effectively manage the memory of windows.
  • It manages your Windows settings.
  • Boosts PC speed and fixes frustrating errors, crashes, and freezes
  • Protects your privacy and wipe sensitive internet and chat history.
  • With this software, you can schedule the cleaning task.

Link: https://www.pcclean.io/winutilities-free/

17) SlimCleaner Free

SlimCleaner is a PC optimization tool that enables your PC to increase better program response time. It helps you to manage more space and fewer unwanted programs. It has a performance mode and power management mode to optimize your computer.

SlimCleaner Free


  • Slimware Cleaner 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.
  • It helps you to scan your PC with just one click.
  • The tool has a power management mode to manage power occupied by your computer efficiently.
  • It has a performance boost mode to improve the performance of a computer.
  • SlimCleaner provides unwanted startup items alert.

Link: https://slimware.com/slimcleaner

18) jv16 PowerTools

Jv16 PowerTools is a software that works by cleaning the Windows registry, unwanted files, and data. It is one of the best free registry cleaner tool that helps you to fix system error automatically and applies optimization to your PC. The tool enables you to uninstall any software and remove its leftovers.

jv16 PowerTools


  • It speeds up computer startup.
  • The tool scans your Windows registry and all your hard drives for data related to currently installed software.
  • It is designed to scan your computer for temporary files, leftover files from the software you have already uninstalled.
  • It can be used in various languages like English, Dutch, Deutsch, Francis, etc.

Link: https://jv16powertools.com/

19) JetClean

JetClean is a lightweight and easy to use registry cleaner tool. The software helps you to removes system junk files and improves your PC performance. The tool helps you to clean your unwanted damaged file history in a fast and reliable way.



  • Cleans junk files and unneeded registry entries
  • Improves PC performance
  • You need very little space in your computer
  • Helps speed up PC startup by rearranging applications
  • Reduces system errors and crashes

Link: http://www.bluesprig.com/jetclean.html

20) Argente Utilities

Argente registry cleaner supervises your computer and continuously searching problems in your system. This tool also allows you to remove e files and applications.

Argente Utilities


  • Schedule tasks without your intervention.
  • Remove malware and clean your traces.
  • It offers higher speed and stability.
  • It helps you establish a better configuration.

Link: https://argenteutilities.com/

Also Check:- 20 Best FREE Malware Removal Tools | Anti Malware Software

21) EasyCleaner

EasyCleaner is a multi-featured system maintenance software that cleans your Windows’ registry for entries that points nowhere.



  • Multi-Feature system maintenance app
  • It helps you boost the performance of your computer
  • Keeps a Backup File of All Your Deleted Registry
  • Easy to Use and Customizable

Link: https://easycleaner.en.softonic.com/

22) TweakNow RegCleaner

TweakNow RegCleaner

TweakNow is free to use RegCleaner. It is the fastest and the most reliable registry cleaner program. It is recommended to clean your Windows registry periodically.


  • RegCleaner helps you to scans your registry to find obsolete entries.
  • This tool accurately identifies obsolete entries.
  • It helps you to creates a backup file before deleting obsolete entries from your registry.
  • Added support for Windows 10.

Link: http://www.tweaknow.com/RegCleaner.php


Registry Life is a PC cleaner tool that allows you to correct errors in the registry and optimizes it. It is a compact, simple to use, and FREE solution for servicing your system registry.



  • Free and open-source tool registry cleaner tool
  • Repairing Registry Errors with Registry Life
  • The tool also offers utility to defragment and compress the registry

Link: https://www.chemtable.com/RegistryLife.htm

24) Vit Registry Fix

Vit Registry Fix

Vit Registry Fix is a free to use system cleaner programming for cleaning the registry from errors. This registry cleaner for Windows 10 helps you to find and remove junk files on disks and clear history list.


  • A powerful automatic search of errors
  • Manual cleaning program settings
  • Helps you to create a full backup and before removing errors
  • Optimizing files of the registry
  • Managing Windows Startup and uninstall software
  • Working in a portable mode on removable drives and others

Link: https://vitsoft.net/en/


❓ What are registry cleaner tools?

Registry cleaner tools are applications used to remove duplicate items from the Windows registry.

🚀 Which are the Best Registry Cleaner Tools?

⚡ Why use registry cleaner?

Registry cleaner software cleans up your Windows registry. It removes redundant registry entries, which increase your PC’s speed so that it runs faster and without any errors.

❗ What are the general features of registry cleaners?

The general features of registry cleaners are:

  • Fix windows issues
  • It helps you to reduce system crashes.
  • Removes over 50 various junk files and free up disk space.
  • It helps you to scan your PC with just one click.

Also Check:- How to Speed Up Windows 10 | Performance Tweaks