Top 5 Free Registry Cleaners for Windows 10/8/7 in 2020

Why should you clean registry in a Windows PC? Windows Registry is a database that stores settings and options of the system and software on your computer. It is crucial to make your computer running normally. However, the registry entries keep growing when you use a Windows PC and may slow down your computer performance. Even after your delete uninstall software, there are leftovers in your computer, especially the registry entries. Overtime, you could come across various errors and crashes. To avoid such problems, you will need the best registry cleaner for Windows 7/8/10 listed below.

Registry Cleaners for Windows

1. CCleaner

CCleaner is a well-known computer cleaning utility launched in 2004. It is often used to clean unwanted files from computer, but the developer team has optimized and improved it for more features, such as cleaning invalid Windows Registry entries. With the standard version of CCleaner as a freeware, the developer company Piriform has extend its reputation to worldwide. That’s also why a lot of incomers are developing and updating their free registry cleaner for Windows.

The built-in registry cleaner in CCleaner will scan your Windows computer for potential errors so that you could choose whether to fix them. After that, you can choose to remove unused registry entries, backup useful registry before any repair and carry out other operations to boost the performance of your computer.

2. Wise Registry Cleaner

This is another free registry cleaner and optimizer for Windows 10/8/7. With it, you can clean registry junks, repair Windows errors and keep your PC at peak performance. In addition to registry fixing, backup and restore, Wise Registry Cleaner allows users to schedule automatic registry cleaning on a daily, weekly or monthly base. You can also create a desktop icon and clean up the registry entries with one click without launching the main program.

If you are willing to support the developer team by upgrading to the pro version, you will have access to multi-user cleaning, which means the program will scan and clean the registry of multiple accounts with no need to login each individual account on a computer shared by a family. This free registry cleaner supports about 50 languages, which are contributed by volunteers. If you want to join, a license key will be rewarded.

3. Auslogics Registry Cleaner

Auslogics is an all-in-one software solution provider available on the market for 10 years. A lot of useful tools are listed on its official website, including a free registry cleaner. Auslogics registry cleaner will clean, repair and optimize your Windows registry to eliminate possible errors and crashes.

The free version of Auslogics registry cleaner enables basic registry scan and cleanup. Though the ultra-fast scanning engine is available, other features, such as deep registry optimization and notification settings control, are exclusive for paid users. It may not be worthy to download this software for registry cleaning, but you can try other free utilities provided on this website.

4. Little Registry Cleaner

Little Registry Cleaner is a free and open source tool featured with a simple UI similar to Windows Registry Editor. It is designed to remove unwanted items in registry and ensure stable performance in your computer. This free registry cleaner has been translated in 17 different languages, so most people could enjoy the benefits without barrier.

Despite of the simple user interface, Little Registry Cleaner has all useful functions available in other tools. You can even download a portable edition to your USB drive and run it on multiple computers.

Tips: Users can also clean registry with Windows Registry Editor manually, but it is not recommended as a wrong operation could lead to system corruption and data loss. In case you lose important files, don’t hesitate to restore them back with iReparo Data Recovery.

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5. Advanced SystemCare Free

Last but not least, Advanced SystemCare is also one of the best registry cleaners for Windows. It is a comprehensive utility to keep your PC clean, fast and secure. The advanced algorithm and powerful technology guarantee stable registry performance. You can also use it to boost Windows startup speed and optimize network.


There are thousands of registry cleaners, but you don’t need a large program for merely cleaning Windows registry, especially not a paid software. Any one of the options listed above could help do the same thing properly at no cost. Feel free to let us know your favorite registry cleaner for Windows OS.

/ Public by Jihosoft

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