9 Best & Free Defragmentation Software to Defrag Your PC

If you face difficulties with your Windows system and you feel it heavier or slower than ever, then you probably need defragmentation of your hard drives.

Basically, this procedure reorders the data in your disks so the system can access it more quickly (that’s all that you need to know but if you want to learn more details about how defragmentation can help you in optimizing your PC, follow this link).

To do this task in the simplest and most effective way possible you’ve got to have a good defragmentation tool but there are too many on the market so, which one should you choose?

There are a number of free disk defragmenters available online and using any of them is better than none. These are the easiest ways to optimize and speed up your system performance. Here are 8 recommendations that you should keep in mind.

List of 9 Best & Free Defragmentation Software:

IOBit Smart Defrag

1. IOBit Smart Defrag:

This is a very similar application to Diskeeper since they share most of their features. IOBit Smart Defrag comes with a simple interface, background functioning, and one of the greatest performances of the market.

Also: Try IObit Free Uninstaller for Windows PC

That means that IOBit Smart Defrag has several defragmentation modes (manual, automatic, or scheduled defrags; express and comprehensive procedures). Since it’s free, why don’t you give it a chance?

Download Iobit Smart Defrag Software

UltraDefrag Software

2. UltraDefrag:

UltraDefrag provides the best disk optimization available for all your drives. It is an open-source free defragmentation software available for Microsoft Windows 11, 10, 8, 8.1, XP, Vista and 7 PC.

It analyzes 50% faster than others, the defragmentation process runs in the background and also during a particular time when you are not using your computer.

Download UltraDefrag Software

Defraggler Defrag Software

3. Defraggler:

This utility is one of my personal favorites for a bunch of reasons but the most important ones are its speedy defragmentation algorithm, its clean interface, and the possibility to defrag drives, folders, or even specific files.

Oh, and we forgot my favorite feature: it’s free! In our opinion, there isn’t such thing as an optimized PC if it hasn’t Defraggler installed.

Download Defraggler Software

Download Diskeeper

4. Diskeeper:

Diskeeper software increases system performance through disk defragmentation. It eliminates resource-wasting file fragmentation safely, by consolidating fragmented files and free space.

One of the best defragmenters out there will keep your hard drives defragmented in real-time without you even noticing the application is working in the background.

A simple interface, easy-to-use controls, and very powerful features are what Diskeeper has to offer you. There’s only one thing that will draw your attention: how smooth your system will run after installing Diskeeper.

Download Diskeeper Software

PerfectDisk defragmentation software

5. PerfectDisk:

This defragmentation tool is an interesting alternative with an innovative feature that’s definitely worth trying. We are talking about SMARTPlacement, a technology that helps reduce files fragmentation right before it happens.

In this way, you prevent fragmentation from happening which eliminates the defrag process almost completely. You’ll also find several of the features you might expect from this kind of software (scheduled defrags, background operation).

Download PerfectDisk Defrag Software

Auslogics Disk Defrag

6. Auslogics Disk Defrag:

Another excellent free utility whose main feature is the speed of its processing abilities. Probably one of the faster programs to defrag hard drives of your Microsoft Windows 11, 10, 8.1, 8, and 7 PC.

Auslogics Disk Defrag is a very easy-to-use application that achieves nice results and that is designed for anyone, even for beginners in the defragmentation process.

Download Auslogics Disk Defrag Software

O&O defragmentation tool

7. O&O Defrag:

O&O Defrag is a very impressive defragmentation tool with 8 different methods of processing, each of them focused on a certain range of applications in your system.

This utility is perfect to analyze and optimize multiple drives simultaneously, regardless of them being internal or external. O&O Defrag even will start reordering your files the minute your system goes idle.

Download O&O Defrag Software

WContig Defragmentation Tool

8. WinContig:

A fine option for those of you that don’t want to spend a dime, WinContig gets the job done quickly, effectively, and without any fuss.

It might not be the fastest or the most comprehensive tool on the market but trying it won’t kill you. Besides, it has defragmentation capabilities for individual files, a feature that’s always welcome.

WinContig is an application designed for Windows Vista, Windows 7, Windows 8/8.1, Windows 10 operating systems.

  • By WinContig
  • License: Free

Download WinContig Defrag Software

MyDefrag Software

9. MyDefrag:

If you want a straightforward application with no fancy interfaces that can slow your system down, MyDefrag may come as a pleasant surprise for you. Oh, and it’s free. What else can you ask for?

It doesn’t need to be installed, it takes very few resources (in fact, it’s the tool that takes the fewest resources from the alternatives on this list) and it works with anything that resembles to a drive.

If you disagree with any of the apps on this list or do you believe that we forgot a utility that you find useful, then don’t hesitate to tell us so in the comment box.

Download MyDefrag Software

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