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12 Best Disk Defragmenter Software for Windows 10, 8, 7 in 2020

We have come across a lot of Windows PC users who do not know how essential the process of defragmentation is for optimizing the PC’s performance and how crucial is the best defrag software for Windows. Many of them have not even heard about the term “defragmentation” and often ask “why is it important to defrag Windows 10?” If you are also one of them, then here we define it for you.

Defrag or defragmentation is the process to bring the scattered, i.e., fragmented pieces of the files you often access together. Defrag or defragmentation means arranging the scattered file sections neatly in sequential order. This makes it easy for you to access all the required files in the twinkling of an eye. Moreover, it also has a significant impact on the way your PC performs. After disk defrags, the performance of your device becomes more snappy and enjoyable.

If you are still wondering why you should defrag Windows 10, then below are the key benefits you can get by defragmenting the disks on your PC using the best disk defragmenter software for Windows.

The Benefits of Defragmenting using Smart Disk Defragmenter Tools

As said earlier,  if you defrag Windows 10, then it not only makes the hard disk access the files snappily but also optimizes the performance of the PC as a whole. Further, the other prominent benefits of defragmenting using the best disk defragmentation tools are listed below.

  • A simple act of defragmenting the disk takes your PC’s performance a level up. 
  • After you defrag the disk, the time required to boot the system decreases significantly.
  • It declutters the disk and helps you organize the available space better. 
  • Defragmentation reduces the time needed to access and read files from the hard disk.

The above list is not where the advantages of defragmenting the Windows 10 end. Several other benefits can also be added to this list.

But, the question arising now is, how to defrag Windows 10? We have the most straightforward answer. You can effortlessly do it using the best disk defragmenters available in the marketplace currently. And, if you cannot decide which is the most suitable disk defrag app for Windows in your case, then pick one from the best disk defragmentation software for Windows we’ve curated especially for you. We share these top disk defragmentation tools in the next segment.

10 Best Disk Defragmenter for Windows 10 and Older Versions

We spent hours testing and then selecting the most powerful disk defragmenter tools that take your PC’s performance to a whole new level. Here we share them.

1. Auslogics Disk Defrag

This is a powerful and smart disk defragmenter tool that scans the removable files. Its file systems prompt the disk files to move faster and improve their launch time. Not only this, but it also defragments the boot time and checks the drive bugs. The best part is, the tool is available in portable mode.

Auslogics Disk Defrag

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Also Read: Best Free VPN for Windows 10 to Protect your Privacy

2. Smart Defrag

This best disk defragmenter tool from IObit is truly smart. It automatically processes and defrags the records and folders. Above all, you don’t need to go through lengthy documentation to run this easy to use and suitable disk defrag app for Windows. 

Smart Defrag

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3. GlarySoft Disk Speedup

GlarySoft Disk Speedup is one of the most intuitive and best disk defragmenter for Windows 10, 8, 7. It is efficient enough to automatically defrag your disk. You do not need to worry about the data of your disk as GlarySoft Disk Speedup is quite a secure software.


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4. O&O Defrag

Here comes another defrag tool on our list of some best disk defragmenter software for Windows. O&O Defrag is one of the feature-rich software to defrag the disk on your PC and enhance the overall performance as well. The most salient feature of this tool is that it doesn’t interfere with the functioning of other software installed on your computer.

O&O Defrag

5. UltimateDefrag

This smart and the best disk defragmenter software tool for Windows automatically recognizes the frequently used files on your system and shifts them to an easily accessible location. In addition to this, it archives the files you don’t use frequently. On top of all, with its in-built scanner, you can schedule the full PC scans as per your liking.


6. Defraggler

This is our pick for the list of the best disk defrag software for Windows because of the unique features such as the freedom to defrag individual files. In addition to this, it analyzes and displays all the files needing defragmentation in just a millisecond


7. MyDefrag

This best disk defrag software for Windows shows wizardry in cleaning your hard drive, making it spacious, and improving its performance. Furthermore, MyDefrag is one of the highly customizable defragmenter utility available. You can set and customize this tool as per your preferences with the help of the available sources. Along with the latest version of Windows, you can also use MyDefrag on Windows 2000, XP, 2003, and various other older versions of Windows.

My defrag GUI

8. Diskeeper 18 Home

This powerful and the best disk defragmenter software can work with 3 computer systems simultaneously and this is what makes it stand out from the rest of the lot. In addition to this, it makes your PC’s performance super fast. Get this tool and see your PC perform exactly like the days when you brought it. 

Diskeeper 18 Home

9. WinContig

This one of the best disk defragmentation tools to snappily defrag individual files without defragging the entire disk. Moreover, it does not create any directories or registry entries on your system and lets you defrag Windows 10, 8, 7 without any hassles.


10. UltraDefrag

This best defrag software takes into consideration both the beginners and experienced users and this is what prompted us to include it in our blog. It offers you all the regular features and high-end functionalities to make any special modification to the software. 


Also Know: Best Duplicate Photo Finder and Remover to Free up Disk Space

11. Puran Defrag

This best disk defragmenter software for Windows lets you automatically schedule the hard drive scans for fragmented files. In addition to this, it also lets you exclude files from the scan, optimize the PC performance with its boot defrag process.

Puran Defrag

12. Wise Care 365

This is another straightforward and best disk defragmenter that not only cleans up the space on your hard drive but also detects junk files present in your PC and resolve the privacy issues. In addition to this, it also lets you shut the PC down after the completion of the defrag process. The only con is, it does not allow you to schedule the scans.

WISE care 365

These were the best defrag software for Windows handpicked especially for you. Choose the most suitable disk defrag app for Windows to make hard disk files easily accessible and speed up your PC. In case if you still cannot make a choice, then we would recommend Auslogics Disk Defrag for the features it offers. Lastly, before you go, subscribe to our blog and stay updated with all the latest tools to optimize the PC performance entering the marketplace.

Rishi is a Software Engineer and a technical content specialist who has a taste in writing over cybersecurity and widespread threats. He ensures utilizing his academic knowledge into developing remedial content for users who are seeking help. A staunch admirer of Jazz, Rishi is also a gourmet.

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