5 Best Registry Cleaner Software for Windows (2021 Guide)

Last updated on June 18th, 2021 at 11:37 am

Reading Time: 6 minutes
Best-Registry-Cleaner-for-WIndows

Cleaning the Windows Registry at least once in a while is necessary to keep your computer free of malware and spam ware. Registry cleaning also removes duplicate and redundant files that slow down the processing speed and cause delays.

You can use third-party apps and software to clean the Windows Registry and make sure your computer is as good as new. We have tried different software in the market and have listed the following as the five best registry cleaner software solutions for 2021

5 Best Registry Cleaner Programs for Windows

To make your job easier we are adding one more PC optimization software to our list which is known as Defencebyte Computer Optimizer that will surely help you to improve your work performance.

defencebyte-computer-optimizer-software

No need to call an expert. Get rid of all PC related issues and speed up your PC using powerful registry cleaner and computer optimization software.

We installed Defencebyte on 20+ Pc’s and glad to tell you it’s one of the best PC optimizer software to tune up your PC in 2021

Let’s understand the features of Defencebyte

  1. Block all the bad website that you don’t want on your PC
  2. Delete Empty Registry Keys
  3. Remove software leftovers
  4. Remove Invalid entries
  5. Remove unused file extensions
  6. Fix the “missing .dll file” error
  7. Delete Invalid paths
  8. Regularly clean your computer using systematize scan scheduling
  9. Easy installation
  10. 24*7 customer support via Email/Phone/Chat

Defencebyte Pricing:-

  • 1 Computer – $38.95

License Type:- 1 License, Installation 1 System

  • 3 Computers – $78.95

License Type:- 1 License, Installation 3 Systems

  • 5 Computers – $111.95

License Type:- 1 License, Installation 5 Systems

  • 10 Computers – $181.95

License Type:- 1 License, Installation 10 Systems

Technical Specifications:-

OS:– Windows XP, Windows Vista, Windows 7, Windows 8, Windows 8.1, Windows 10, both 32bit and 64 bit

CPU: Pentium 233 MHz or above

Disk Space:– 500 MB

1.Cyberlab Registry Cleaner

Cyberlab registry cleaner from Cyberlab Technologies is our best registry cleaner pick for 2021!

Cyberlab Technologies launched their first antispyware software on December 14, 2004. Since that day they’ve been researching and using feedback from customers all over the world to continually improve.

Today, Cyberlab combines a registry cleaner, antispyware, PC Cleaner and optimizer all in one for a powerful tool to speed up, clean and secure your PC.

Cyberlab Registry Cleaner Highlights:

  • Free forever registry cleaner
  • Easy one click optimization tools
  • Delete tracking cookies and browser files to secure your privacy
  • Remove unwanted startup programs so your PC and browsers run faster
  • Removes spyware, adware, unwanted toolbars and other malware to secure your PC
  • Securely shred private documents, folders or your entire hard drive
  • Uninstaller removes 100% of a program including leftover files and registry entries
  • Solves hard core issues with Hardware Analyzer and System Report
  • Daily spyware updates

One of the things we love about their company is the daily American based live chat and email support you get. While their competition often takes a day, or two, or sometimes they never respond, Cyberlab Technologies regularly gets 5 star reviews from their customers posting on third party review sites like Trustpilot and Facebook for their excellent and fast customer support.

Cyberlab is the free version with 19 free features (including it’s registry cleaner!) not offered by antivirus or Windows. We think you’ll like the free version so much you’ll want to upgrade to Cyberlab Ultimate, which is among the cheapest options you can find in the market at $29.95 yearly for 5 computers. It’s risk free since they back it up with a 60 day no questions asked money back guarantee.

When you upgrade to Cyberlab Ultimate you get even more useful features like: Cleans junks files, tracking cookies and spyware. Daily spyware updates plus automation of all its features so you don’t have to do anything! And of course their excellent daily support is included.

If you’re looking for more info check out the complete Techpcvipers Cyberlab Ultimate Review

2. Auslogics

The first product is by Auslogics, a company with more than 10 years of experience in the field. With over 20 million user downloads, the registry cleaner software by Auslogics is available for free. Of course, the Pro version needs payment and has more features.

Auslogics Registry Cleaner free

The software cleans, repairs, and optimizes the Windows Registry so that your computer won’t freeze or crash at an unexpected moment. Any of the leftover files from uninstalled apps will also be deleted using this software. Not just that, you can also review the entries in the Registry and delete the files you don’t want to keep. The software is entirely safe to use and has been recommended by various industry experts.

The free version offers ultra-fast scanning and basic registry cleanup.

The paid version is priced at $8.45 per year and can be used for 3 computers. Apart from the above two features, the paid version also offers-


• Deep registry optimization
• Extended priority support
• Notifications settings control

Also, in the paid version, you get to ask three questions during the live chat with the expert. The free version allows just one question. Auslogics Registry Cleanup is compatible with Windows 10.

3. Glarysoft

Glarysoft is a software developing company that believes that computer users should have the best possible experience when using the device. The company has a range of products, out of which many tools are available for free download.

Registry Repair is one of the free software solutions offered by Glarysoft. It is a simple and straightforward tool that does its job in quick time.

The following are the features of the software-


• Identifies 18 types of errors by thoroughly scanning the Windows Registry for suspicious and duplicate files.


• Automatically creates a backup copy each time the cleaner is used. You can always restore the previous files if you want to.


• Safe scanning engine that is super fast and efficient.


Softonic has verified the product by running it through 30 different anti-virus engines and found it completely safe to use.

4. Iobit

IObit has numerous tools that can be used to boost the performance of the computer. Advanced SystemCare PRO is a PC cleaner that makes your computer stable with just one click. It provides safe browsing options, eliminates suspicious files, fixes errors, and improves the speed of the device. 

The software is available in both free and paid versions. It works with Windows XP, Vista, 7, 8, and 10. 

Any unwanted and junk files, toolbars, plug-ins, etc., are deleted by the software. The RAM and internet are optimized to enhance the processing speed. It deletes inactive programs and releases memory space. 

Advanced SystemCare PRO is integrated with Privacy Shield and Digital Fingerprint Protection to detect and block access to personal data and prevent your digital fingerprints from being misused. All the online threats are monitored and removed in real-time. 

The paid version is priced at around $30 per year for 3 devices. The company is currently offering a discount of 50%. 

5. CCleaner

CCleaner Professional is a cleaning software that also ensures privacy and makes your device faster and efficient.

You can try the free trial version before investing in the software.

CCleaner Professional has two paid versions-


• Pro: ~$9.19 for one computer. The discounted price is ~$6.44.

Pro Plus: ~$13.19 for three computers. The discounted price is ~$9.23.


Features such as keeping the hard disks healthy, recovering files, and identifying compatibility issues are available only with the Pro Plus version. However, this version cannot be downloaded for trial use.


A new feature called the Health Check that fine-tunes the computer has been added to both versions. With one-click updates, a safe browsing feature, and faster optimization, CCleaner Professional is worth trying.

Final Conclusion 

Your computer needs to be free of junk and virus for it to deliver the best performance. When we use our devices for long hours each day, it is always recommended to clean the unwanted stuff and fix errors that could cause unexpected trouble. 

Our team tested all the paid versions of all the above registry cleaner tools on Windows 7,8 and 10 and found that the above are the best registry cleaners.

What’s your favourite registry repair tool ? Please share your experience in the comment below

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