HomeApps & Software7 Best Defrag Software for Windows PC (2023)

7 Best Defrag Software for Windows PC (2023)

In this article, you'll discover a list of the best defragmentation software to defragment disks on Windows PC.

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Defragmentation on Windows gets better with the best defrag software for Windows. You might be wondering why your PC runs so slow despite running the latest windows update, having enough RAM and even enough storage on your hard disk.

Defragmentation on Windows isn’t a new thing, while most people overlook the functions of defragmenting, there are instances you’ll have formatted your PC all in the name of it running on low performance and meanwhile, you only need to defrag it just to make it run faster.

Perhaps you’ve got a grip on how defragging software works and you’re looking for a perfect defrag tool to use on your PC. In today’s topic on NaijaKnowHow, we’ve highlighted the best defrag software for Windows PC. You can use any of this software on your Windows 7 and even the latest OS like 10 and 11.

List of The Best Defrag Software for Windows PC

Defragging is quite different from cleaning your PC and reducing junk, cache and so on. While activities like these are mostly done by pc cleaner software, defragmentation on Windows is done by a different type of software. So rather than talking too much, let’s take a look at these defrag software for Windows.

1. Smart Defrag

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Smart Defrag

Dealing with large files that tend to slow down the computer can sometimes be a tedious activity to handle. An alternative way to deal with such stress is by using a defrag tool like Smart Defrag. It is actually one of the best you’ll come across, it works on most Windows OS and the best feature is that you can download it for free.

Smart Defrag offers top-notch defragmentation tools, you can defrag boot time and enhance your computer loading time, and it supports multithreading and there’s also a feature for gamers. Smart Defrag acts as a perfect game booster software for windows users.

2. O&O Defrag

O&O Defrag

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Unlike some defragmentation software that selects storage types, O&O is quite different and even if you’re using a Solid State Drive (SSD) or Hard Disk Drive (HDD), you’ll be able to defrag your computer and gain more performance than ever. This software offers simplicity, it has a friendly user interface and you’ll never have any issues as a first-timer using O&O Defrag.

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O&O works on most Windows OS, it’ll defragment your PC in a way that all files that are causing your computer to run slow, will be treated accordingly. There’s only one downside to using O&O, and that is the free version is sometimes limited to certain features, but nevertheless, it’s still one of the best defrag software for windows.

3. Defraggler


Gaining speed from your computer isn’t just about closing background apps or restarting your PC after a laggy performance. Sometimes you need to defrag and with a tool like Defraggler, it does get better. With Defraggler, you’ll be able to speed up your computer and it also allows users to set auto-defragmentation that’ll run daily, weekly and monthly.

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This software is very easy to use, it has awesome features and it can also work as a cleaner for your PC. It can clear caches, and junk and also help you get rid of unwanted windows updates that failed to install on your PC.

4. Wise Care 365

defrag software for Windows

Wise Care 365 is another defrag software you might want to consider using on your PC. Before getting started with this software, you need to know there’s a free version and there’s a pro version. We all know that the free versions are mostly limited to certain features.

Well, using Wise care 365 isn’t a bad choice, there are a lot of functions this software works for, aside from it working as a defragmentation tool, it is also a great registry cleaner, and it can also disable startups for some apps automatically, Wise Care 365 is one of the best defrag software for Windows.

5. Systweak Advanced Disk Speedup

defrag software for Windows

There are two ways you’ll enjoy better performance optimization on your PC while using Systweak Advanced Disk Speedup. You’ll get different performance levels in game mode and normal mode, this software will automatically optimise your performance based on what you’re doing. It is a great defragmentation tool and it helps in making the computer run faster.

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Systweak Advanced Disk Speedup is very easy to use, it offers safety and while defragmentation is being done, your files or folders will never be damaged, it also serves as firewall software due to its ability to block malware or ransomware from attacking your computer.

6. UltraDefrag

defrag software for Windows

UltraDefrag handles defragmentation on any type of storage, whether it’s an SSD or HDD you’re using, if you need a defrag tool that’ll defragment your PC and boost its performance, UltraDefrag is one of the best you can use, it has track record of maximum performance on Windows 10, it is very easy to use as well.

UltraDefrag is one of the best defrag software for Windows, you can set the mode for defragmentation, it has a simple user interface, and it’ll boost performance when your PC is starting up and also when it’s being operated on. If you need a tool that’ll defragment your PC perfectly, UltraDefrag is your go-to option.

7. Disk SpeedUp

Disk SpeedUp

If you’re looking for one of the best defrag software for Windows, you should consider using Disk SpeedUp. This tool is very fast and it boosts maximum performance. You can use it to defrag any storage type, it has a friendly interface and it works on most windows operating systems.

You can set your presets, and you can schedule defragmentation based on your preferences. This software is fast and efficient. It makes defragmentation super easy on any windows PC and that’s why it’s one of the best to use.


When it comes to defragmentation on PC, there are a lot of tools that can be used. Based on different research, the list of defrag software that has been listed above has shown that these set of tools are the best and most effective software to defragment hard disks or solid-state drives on a Windows PC.

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Oladimeji Shadrach
Oladimeji Shadrach
A Computer Software & Hardware Engineer | Content Writer | Blogger | Web Designer | Web Developer. I'm Available for Content Writing Gigs, Website and Blog Creation Jobs As Well.

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