20 BEST Free Registry Cleaners in 2021

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Last Updated: 04 February 2021

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.

1) 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.

Features:

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

IObit 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.

Features:

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.

3) RegClean Pro

Sys Tweak's advanced System Optimizer is powerful cleanup and optimization software for Windows 10, 8.1, 8,7, Vista, and XP. It cleans your hard drive and runs your PC faster.

Features:

It provides a distraction-free gaming experience.
You can easily switch between the game computer and home machine.
Update the necessary driver on your computer to faster your computer.
It helps you to reduce system crashes.
The tool protects your system from malware and keeps your sensitive data safe.
Advanced system optimizer loads your files faster.

4) 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.

Features:

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.

5) 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.

Features:

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.

6) 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.

Features:

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.

7) AVG TuneUp

AVG TuneUp is a free registry cleaner software that speedup and cleans your computer. This tool helps you to update your software, fix annoying problems, and removes bloatware.

Features:

The tool removes broken shortcuts.
It removes your registry.
Avast cleanup automatically updates your applications.
It provides a quick overview of computer health.
It detects and removes unwanted third-party toolbars and ads.
The patented tuneup method puts all resource-draining applications in sleep mode.

8) 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.

Features:

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.

9) 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.

Features:

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.

10) 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.

Features:

This 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/

11) 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.

Features:

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

12) jv16 PowerTools

Jv16 PowerTools is a software that works by cleaning the Windows registry, unwanted files, and data. This tool 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.

Features:

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/

13) 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.

Features:

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

14) 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.

Features:

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/

15) Auslogics Registry Cleaner

Auslogics Registry Cleaner is a tool that checks your entire system and locates junk files. It also reduces speed as well as limits software crashes. The tool allows you to clear junk files, temporary files, unused error logs, web browser cache.

Features:

You can clean It adjusts internet connection settings for smooth browsing and faster downloads.
It eliminates traces of your activity and protects your sensitive information.
Detects and removes issues in real-time and keeps your system running at top speed.
Automatic memory and processor management

16) 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.

Features:

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.

Link: https://www.glarysoft.com/registry-repair/

17) EasyCleaner

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

Features:

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/

18) 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.

Features:

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

19) REGISTRY LIFE

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.

Features:

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

20) Vit Registry Fix

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

Features:

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/

FAQ

✔️ What are registry cleaner tools?

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

❓ 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.