The Best Registry Cleaner For Windows

Remove unnecessary registry entries from your Windows with these great options.

Our computers have grown to become a major part of our lives. Whether it is for work, fun, hobbies, or any other purpose — in this day and age, we use them all the time. And, just like with any other tool, that takes its toll after a while. Your hardware will eventually tire out and need replacement, but you can also encounter issues with your software.

This is known to happen when you often install and uninstall programs, apps, games, and alike. Your Windows registry gets filled with one entry after another, and a lot of files that get entered likely do not even exist anymore.

This can slow your device down and force it to deal with junk data, instead of focusing on what is important, which, in turn, affects its performance. You can always try and delete it, of course, but that will take time, as well as the knowledge required not to delete wrong things, or miss out on something that you should get rid of. Furthermore,

An easier alternative is to use a registry cleaner, which will not only clear your registry, but it might also do a bit of repairing. Here is our list of top five tools for keeping your registry clear and effective.

1. Advanced SystemCare

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Editors’ choice 2020

Advanced SystemCare is one of the best registry cleaners in the industry, and it definitely comes with the coolest interface design you will find. It looks very professional, effective, and interesting. It also comes packed with various features, although we are only interested in its ‘Registry Clean’ tool today.

However, you can also use it for startup optimization, registry defragmentation, junk files clean, shortcut fix, disk optimization, disk scan, privacy sweep, spyware removal, and more.

It is very easy to understand and use, which makes it great for those who are not particularly tech-savvy. The tool will make it easy for you to clean your Windows registry, and you will master it in no time. It also has a feature that will automatically restart or shut down your PC after the cleaning is done. In addition to that, it does automatic backups, too.

  • Cleans and optimizes your Windows registry

  • It can considerably speed up your computer

  • It can fix various errors, thus improving your security

  • Some tests have uncovered that it did not pick up on all registry errors

PC Optimization Package

Simple interface and free version

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2. CCleaner

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Next, we have CCleaner, which is one of the most popular, as well as the most well-known cleaning tools that you can have. The cleaner itself was not designed specifically for cleaning the Windows registry, although it happens to do that too. Not only that, but it offers one of the best tools on the market.

As most other registry cleaners, CCleaner will also backup your registry automatically, to ensure that you can restore anything important to you that it accidentally decided to delete. CCleaner is known for its numerous features, but what most people do not know is that it is also available as portable software. That means that you do not have to bother with its installation in order to use it.

However, if you do decide to install it, and go for the premium version, it will also monitor your PC’s performance in real time. This allows it to look for changes in performance, and locate potential errors that might appear during usage.

  • Improves the speed of your PC

  • Repairs errors and prevents crashes

  • Improves your PC's startup speed

  • Packed with numerous other features

  • Frequent pop-ups

  • PC performance monitoring in real time only comes with a premium version

3. Defencebyte Computer Optimizer

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Next, we have Defencebyte Computer Optimizer, which is an excellent tool for handling your Windows registry and keeping it clean. The tool offers a dedicated feature that cleans the registry at the push of a button, and it will locate all potential errors. This is a very useful feature, as registry often tend to get filled with all kinds of different issues that might slow down your PC, cause crashes, and alike.

With a clean registry, your computer will run much faster, and you will notice a lot fewer problems during usage. Defencebyte Computer Optimizer can even help you eliminate different kinds of malware which might try to affect your device, which is always useful, although it should be noted that it is not a replacement for a good antimalware app.

Perhaps the most important thing about Defencebyte Computer Optimizer is that you will get access to all of the tools it offers, even if you go with the free trial version. Also, the software will work on any Windows from XP to 10, which makes it almost universal for the current Windows users.

  • Offers free trial version with all features available

  • Does not feature adds

  • Full browser optimization

  • Allows you to schedule backups

  • Full of other great features

  • Installation time might take a while

4. Wise Registry Cleaner

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Next, we have Wise Registry Cleaner, which also offers a premium and a free version. However, while the free version does not offer all of the features that you might find in the paid one — it still has quite a few of them available. For example, you can use it for making a cleaning schedule, restore points, use automatic registry backups, different types of scan, and alike.

With the premium version, which costs around $15, you can also access features like system boost, multi-user access, customization, and more.

Wise Registry Cleaner is a great choice for Windows, and it works on pretty much all versions that are used today. It does basic work, but it does it well, and in our tests — it found more registry issues than many other cleaners. You can even make the shortcut and do the cleaning with a single click, with no need to actually launch the app and start it manually, from within.

  • Simple interface, easy to use

  • A lot of features

  • Offers free version

  • Quick, 1-click cleaning shortcut

  • Thorough cleaning

  • It might try installing additional software

5. AVG PC TuneUp

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Finally, we have AVG PC TuneUp, software published by AVG itself. The company is a well-known and quite powerful security software vendor, so you can be sure that its products will not fail. The AVG website claims that the cleaner can improve boot time by 77%, which is a bit more optimistic than what our tests have shown, but any improvement is welcome, which still makes it a rather good deal.

The cleaner performed rather well during tests, as it found over 100 errors, meaning that it is thorough and capable. It is also very lightweight, only taking around 42MB of space. It offers a number of features, such as disk cleanup, browsing clearing, unwanted software removal, permanent file deletion, internet connection optimization, and even sleep mode.

All in all, it is a great product, and you won’t make a mistake if you choose it. However, it is a bit pricey, with an annual license of $50.

  • Numerous features

  • Easy to use, with an interface in dark tones

  • Clears disk space post-cleaning

  • Runs in the background without disturbing you

  • Expensive

  • Does not have the 'undo deletion' feature


As we have seen, there are many great options when it comes to removing digital junk from your PC. These are various useless registry entries that pile up with usage, and they can affect your device’s performance.

You can always try to remove the entries manually, but the task would be tedious, and it might take you quite a long time. Even then, you might delete something important by mistake, or even overlook a significant portion of the junk, and do only half a job.

Why bother, when instead, you can use some of these excellent registry cleaners and finish the task much faster, and much more effective? Be thorough, and you will soon feel the difference.


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