Sunday, 05 April 2026

The best free apps and tools to clean Windows 10 without formatting

We bring you a small compilation with the best applications and tools to clean Windows 10 without formatting. We have already explained how to clean Windows 10 by hand, a process for which we mainly use native tools of the operating system itself. Today we will go a step further by offering you some applications specially created for this.

Sometimes third-party developers are able to offer us tools that streamline specific processes or the entire process of cleaning the operating system, and today we are going to try to offer you the most outstanding ones. All these applications work in Windows 10, some of them are totally free, and others are free versions of other paid ones that are more advanced.

In the end, cleaning Windows is a more delicate task than you think, especially if you want to delegate applications to do it for you. If you're not careful, some solutions may be worse than problems. And if you know of a reliable tool that you want to recommend, we encourage you to leave us your recommendations in the comments section, so that all readers can benefit from your knowledge.

Advanced SystemCare 14 Free

Advanced SystemCare 14 Free is a cleaning application that tries to help you minimize as much as possible what you have to do to make the operating system look new. It does this with an AI system that greatly automates the process depending on the result you want to achieve. It has a free version with basic functions, and then its paid plans.

The great downside of this program is that its free version allows you to improve the speed of your computer or your Internet connection, but it doesn't have the deep cleaning function of the computer, and it does not have its system to improve the privacy of the computer. In any case, an interesting option if you want the program to do almost everything for you.

BleachBit

BleachBit is an open-source alternative to CCleaner. It is available for Windows and GNU / Linux, it is portable because it does not need installation, and it will help you clear space on your hard disk or maintain your privacy.

That's because it can do several things. The one that matters to us today is that it allows you to detect and eliminate the residual files of the most popular programs so that they do not remain occupying space after uninstalling them. But it also allows you to erase your private files so that no trace remains on the hard drive and the same with applications

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CCleaner

We can say that CCleaner is a very controversial application, especially because if you are not attentive to the installers it comes with, very often you can end up with more unnecessary things installed on your computer instead of the other way around. However, it is still a very functional tool, and although it is far from being the best on the list, it has the benefit of being "the same as always", and that many users already know it well.

The application allows you to clean your computer and speed up its operation by removing unnecessary files, remnants of uninstalled applications and more. The negative part is that its free version is very limited, with tools to improve your privacy and speed up your computer. But the advanced tools leave them for the paid version, such as advanced driver update or real-time computer monitoring.

 

 

Czkawka

It is a tool that may not be very well known, but it is an open-source alternative and totally free. Come on, nothing about a free version that offers you the minimum and then directs you to pay. Here what you see is what you offer, and although not as powerful or with as many algorithms as some large paid versions, it does offer very good tools for a thorough cleaning. It is multi-system, with versions for Windows, GNU / Linux and macOS.

Czkawka allows you to find duplicate files or files so large that you may want to delete them. Also broken files or empty folders. All this is going to show you in a hard drive analysis in which you will see all the excess files and what they occupy, and you will only have to decide whether to send them to the trash, keep them or move them to an external hard drive. In addition, it has filters to exclude some file types such as videos or photos from searches.

 

 

Find.Same.Images.OK

Find.Same.Images.OK it is one of the best applications out there to find and delete duplicate photos. It is a small free application that is limited to detecting duplicate photos and showing them in its double window, showing you the characteristics of each one in case they have some different characteristics.

The application will do a complete search on your computer, and will show you a list with the results of duplicate images. In this list there are two columns, and you can click on each image to preview it. It will give you two options, to directly delete the photo or go to its folder to move it or do some management.

 

 

Glary Utilities

Glary Utilities is a free and quite professional program, a Swiss army knife that offers several tools to clean your computer without having to format or complicate it too much. With it, you will be able to improve the speed of the computer by solving specific errors, crashes, and those problems that can cause the computer to freeze.

You are looking for ease of use above all else, with many one-click or automated features. In total, it has up to 20 different tools to clean and optimize your computer, and if you like it but want more, it also has a paid version. However, the free one is more than enough to repair your computer's registry, remove traces of uninstalled applications, and more.

 

 

OneSafe PC Cleaner

OneSafe PC Cleaner is a free application that analyzes your computer in search of problems, and then repairs them so that it works better. It also allows you to clean excess or unnecessary files, as well as delete confidential data that you will not need. It also finds outdated data that is slowing down your computer.

The operation of the tool is quite simple. First it will do an analysis of your computer, and after obtaining the results you will be able to do a cleaning to eliminate what you do not need and improve its performance. It has a paid version with some advanced features like removing duplicate files or irreversibly deleting files, but with the basic options it is also a capable tool.

 

 

Privazer

Privazer is a hard drive cleaning application focused on privacy, which means that it deletes files so that they cannot be recovered, something for which it uses different overwriting techniques. To give you the idea, this means that after deleting the file, it writes and deletes several times on the areas of the hard drive where its files were in order not to be able to recover them.

So that these cleaning methods do not influence the useful life of your hard drives, the application detects whether you use SSD or mechanical hard drive and adapts its erasure algorithms to them. It also deletes files due to uninstallation, unnecessary shortcuts, histories or caches. Its way of working is easy, when you open it, it will ask you fifteen questions about the things you want it to do and how, and then it will simply execute the tasks.

 

 

Razer Cortex

Razer Cortex enters the list by the hair, because it is not so much to clean your computer as to optimize it. Come on, if you have an old computer, it will not do the cleaning so that it always goes faster, but it will make specific optimizations so that it goes faster when you use video games.

Obviously, it isn't a program that works miracles and that will allow you to play the best games with a computer that does not meet the necessary specifications. However, it can give you a little extra push for when you're there and you need a little more so that everything goes smoothly, with the ease of optimizing this setting so you don't have to worry too much.

 

 

System Ninja

System Ninja is an application designed to find junk or leftover files that slow down your computer and be able to delete them to speed it up. It has a free and a paid version, although it is appreciated that the most important and essential functions are in the free one, and for the paid version, other more advanced technologies are simply saved.

It stands out above all for having a search engine to find files that you do not need on the entire hard drive and a series of options such as managing the programs that start with Windows or the processes. You can already do these things with Windows, but if you install this application you may be interested.

 

 

Total PC Cleaner

It is a free cleaner that you download directly from the Microsoft application store, and it has several tools to make Windows clean and with more space. The application scans your entire computer, and allows you to improve performance while removing leftover files and junk and other things.

For starters, Total PC Cleaner can delete cached files, both from the system and from applications, browsers or emails, and even Office files. It also allows you to delete the contents of the download folder, locate duplicate files or files that are especially large to delete, or advertising systems that have been installed.

 

 

Windows10Debloater

Windows10Debloater is a simple script, a code that you will execute to simply uninstall all the pre-installed Windows applications that are not necessary. Thus, you will not have to go looking for and uninstalling them one by one, you can do it all at once.

In addition to this, it will also stop some native Windows functions such as the use of Cortana in the search index, disable some tasks that developers consider unnecessary, and stop telemetry functions that can collect more data about you from the account. Of course, it has the difficulty of needing to be used in PowerShell, and that can cause some Windows functions to not continue working correctly.

 

 

WinOptimicer

WinOptimicer It is one of the solutions from the German developer Ashampoo, with a free version and a slightly more advanced paid version. However, in the free one you already have a complete suite of solutions of all kinds, among which are those that help you analyze your computer or improve its performance, in addition to customizing it, or doing maintenance cleaning.

The bad news that you may find with this application is that there are some important tools that are not included in the free version as if they are in other applications on this list, although in return you have a modern suite with a large number of options.

 

 

Win Utilities

Win Utilities is an all-in-one application to clean your computer and optimize it. The pity is that its free version has a somewhat basic maintenance mode, while all the great functions are taken by the paid version. However, it may be interesting that you try it to see what its more than 20 tools offer to optimize the computer, and then if it convinces you, you pay or you are looking for another alternative.

 

 

Wise Disk Cleaner

Wise Disk Cleaner is another alternative with which you will be able to clean and optimize your computer in a fast and intuitive way. It has a simple interface, in which you will be able to choose the elements and file types that you want to choose, and you can carry out an immediate cleaning or simply schedule it for the date or time you want.

The application will allow you to delete all the excess or unnecessary files, such as remnants of deleted applications, previous versions of Windows, and others. It also deletes files so that they cannot be recovered, and clears your browser tracks to protect your privacy. All this, like all the items on the list, is for free.

 

 

Link: https://www.xataka.com/basics/mejores-aplicaciones-herramientas-gratis-para-limpiar-windows-10-formatear

 

 

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