15 Best Disk Defragmenter for Windows in 2021 (Free & Paid)

Best Disk Defragmenter Software for Windows

Last updated on July 27th, 2021 at 4:36 pm

Windows disk space gets fragmented & cluttered over time when you keep on installing and uninstalling programs, adding & deleting various files, and more. You can find manual process to defrag your disk space on Windows, but that is time & efforts consuming. Here, best disk defragmenter software offers instant solution to defrag disk space automatically. Let’s review some of these paid & free disk defrag software you should use in 2021.

Top 15 Disk Defragmenter Software for Windows in 2021 (Free & Paid)

Disk Defragmentation

The performance of defrag software mainly depends on the hardware and processor of your system, but if you use high-quality disk defrag software, then you can take full advantage of the defragmentation process. 

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Defraggler ProfessionalAuslogics Disk DefragSmart Defrag
   
· Resourceful visual aid

 

· Advanced boot-time defragmentation

· Selective defragmentation facility

· Customizable simple user-interface

· Competitive defragmentation with SSD defrag

 

· Advanced Windows algorithm to organize files

· Monitors health of the disk drivers

· Amazingly fast disk defragmentation

· Background scanning

 

· Capable of optimizing SSD

· Inbuilt file and drive analysis tool

· Can be scheduled for automatic scan

1. Defraggler Professional

Defraggler

Piriform Defraggler Professional is the next smart disk defragmenter tool that you can download to enjoy some unique features. This software gives their users choice to either individually defrag files or it defrags the whole disk altogether. You can individually select the file to defrag with this software and receive the results within no time. You can run the analysis on your system and Piriform Defraggler will automatically show the list of the fragmented files present on your hard drive. From the list, you can easily select the file that you want to defrag and complete your job instantly. 

Features

  • Can defragment HDD and SSD
  • Safe and Secured operation
  • Customizable menus
  • Continuous customer support

Pros

  • Multilingual support
  • Can be scheduled with Windows task scheduler
  • Can move large files to idle locations
  • Extreme ability to save more space

Cons

  • The free version is capable of performing only basic defragmentation
  • Slower scans

Price: $24.95 per Year

Device Compatibility: Windows 10 / 8.1 / 8 / 7 / Vista / XP, Server NT / 2000 / 2003 / 2008

2. Auslogics Disk Defrag

Auslogics Disk Defrag

Auslogics Disk Defrag is a powerful disk defragmenter tool that comes in the portable mode to scan removable media files. The system files present in it can configure files to move faster and improves launch time also. It is also competent to run boot time defrags. The drive errors with chkdsk can be checked. Excluding files from the defrag process, you can run idle scans and delete temporary files from the system. Auslogics Disk Defrag is advanced disk defragmenter for Windows that you should try in 2021 to keep your system performance intact. 

Features

  • Resourceful visual aid
  • Advanced boot-time defragmentation
  • Selective defragmentation facility
  • Customizable simple user-interface

Pros

  • Excellent capability to optimize system performance
  • Ability to consolidate disk free space
  • Prevents future disk errors
  • Automatic defragmentation facility

Cons

  • Cannot optimize SSD
  • Longer scan timings

Price: $10.32

Device Compatibility: Windows 7, 8, 8.1 or 10

3. Smart Defrag

iobit-smart-defrag-6

If you are looking for the best disk defrag software for Windows in 2021 with the automatic features, then you have to trust IObit Smart Defrag software. This tool will automatically process and is capable of prohibiting records and folders from a defrag. It is a very modern and suitable disk defrag app for Windows users. IObit Smart Defrag is an easy to use software which can be operated without the help of lengthy documentation.

Features

  • Competitive defragmentation with SSD defrag
  • Advanced Windows algorithm to organize files
  • Monitors health of the disk drivers
  • Amazingly fast disk defragmentation

Pros

  • Simple installation procedure
  • Multi-language support
  • Intuitive user-interface
  • Enhances durability of the disk

Cons

  • Unwanted additional programs may be installed
  • No support for idle defrag

Price: $19.99 per Year

Device Compatibility: Windows 10 / 8.1 / 8 / 7 / Vista / XP

Also Read: Best Free VPN For Windows

4. EaseUS Partition Master

easeus-partition-master

EaseUsPartition Master is the best disk defragmenter used widely to reduce the inaccessible memory space of the physical memory of the system. This excellent tool can defragment FAT or NTFS file systems. The defrag tool has USB formatting capabilities along with disk usage monitoring features. This tool can resize and format disk drives.

Features

  • Can manage partition as well as fragmented files
  • Extreme capacity to check and clean partitions
  • May be used to changing partition labels
  • Protects privacy by removing sensitive data

Pros

  • Simple interface
  • Can visualize changes before applying them
  • More additional options
  • Capacity to merge partitions

Cons

  • Cannot convert dynamic disk into basic
  • Limited free edition options

Price: $39.95 per Year

Device Compatibility: Windows 10, 8, 7, Vista, XP

5. Disk Speedup

disk speedup

It is a most lightweight free disk defragmentation software which occupies minimal space on your system and helps you defrag Windows 10, 8, 7 and other versions. With the multiple processes of installing and uninstalling of files in your system, the files tend to save in huge chunks on your hard drive. Here, Disk Speedup tool comes handy as it will defrag your hard drive automatically and also sort out all fragmented files consecutively.

It is a completely safe tool which always checks new data before overwriting the old one. The defrag process can be paused and stopped anytime without the worry of losing data. The software has inbuilt Disk Doctor to continuously monitor the health of the hard drive. This is a highly functional disk defragmenter for Windows users.

  • Background scanning
  • Capable of optimizing SSD
  • Inbuilt disk doctor
  • Can be scheduled for automatic scan

Pros

  • Easy downloading and installing
  • Can be performed boot time defragmentation
  • Low space requirement
  • Reduces start-up time of system

Cons

  • Cannot locate duplicate files
  • Not available for Mac OS and Android

Price: Free, $29.95 per Year with Suite

Device Compatibility: Windows XP/2003/Vista/Server 2008/7/8

6. UltraDefrag

ultra defrag

This genuine paid application is one of the best disk defragmenter tools that found explicit usage in various aspects. This tool can defrag even the locked file available in the drive. The software tool is enabled with excellent user reviews and a smart user interface. With the aid of this registry tool, user can elevate the performance speed of the applications. Users can also schedule automatic optimization with this application. A Portable edition of the software is also available. UltraDefrag paid application is available in two variants. That is a standard version with limited users and enterprise version with multiple user access.

Features

  • Will potentially defragment the locked file
  • Easy to personalize
  • Efficient command-line interface
  • No installation required. It can be used from USB disks

Pros

  • Possibly will defragment system files
  • Faster operation
  • Better scripting features
  • Simple graphics interface

Cons

  • No free latest versions
  • Requires multiple installations for different OS versions

Price:    $19.99 (Standard Edition)

$39.99 (Enterprise Edition)

Device Compatibility: Windows 10, 8.1, 8, 7, Vista, XP, Windows Server 2003 / 2008 / 2012 / 2016

7. WinContig

wincontig

This is a freeware application that can defrag any device drive effectively. WinContig is the best software for optimization, as this tool does not require installing the application. To start using this tool it is enough to download and extract ZIP archive from online resources. The user interface is provided with several command-line switches to control the program execution. Selected files can be defragmented as per the user’s requirement.

Features

  • Can run from the portable device
  • Capable of analyzing disk errors
  • Can clear temporary data
  • Prepares a list of actual fragments available

Pros

  • Selective defrag options
  • Color-coded defrag reports
  • No installation required
  • Does not create any registry entries

Cons

  • Cannot schedule the defrag
  • Not possible defrag the free space

Price: Free

Device Compatibility: All versions of Windows 2000 & Above

8. Wise Care 365

wise care365

This best disk defragmenter application is available as a standard free version and advanced paid pro version. For basic computer optimization, the free version of the application is sufficient. Wise care365 tool is provided with registry cleaner along with options to backup and restore the registry entries. This application can also clean temporary files, unused shortcuts, unwanted usage history, and unnecessary files to enhance the performance of the system.

Features

  • Brilliant system protection
  • Superlative registry and junk files cleaning
  • Ensures the PC speed and security
  • Enhanced technical support

Pros

  • Requires fewer system components
  • Well structured interface
  • More free version features
  • Availability of additional tools

Cons

  • Compatible only with Windows OS
  • Poor customer support

Price: Wise Care 365 Pro $19.97 a year

Device Compatibility: Windows 10 / 8.1 / 8 / 7 / Vista / 2003 / XP

9. Perfect Disc Pro

PerfectDisk

This genuine tool is used widely for optimizing the performance of the system. It can compile fragmented files into a single file thereby reducing the space occupied by the files. Perfect Disk tool can also prevent fragmentation. Intelligent space management of the tool will provide an accelerated performance of the system. S.M.A.R.T monitoring facilities of the tool will watch the status of the system drives and creates alerts if necessary.

Features

  • Uses modern interface standards
  • Operative boot time defragmentation
  • Can identify duplicate files
  • Equipped with customized optimization schemes

Pros

  • Can efficiently optimize hard drives
  • Intuitive user-interface
  • Informative technical support
  • Can defragment during the runtime of the system

Cons

  • Less efficient SSD optimization
  • Cannot personalize your defragmentation

Price: $29.99 a year

Device Compatibility: Windows 10 / 8.1 / 8 / 7 / Vista / XP

10. O&O Defrag

O&O Defrag

With this best disk defragmentation software for Windows in 2021, you will get three different services – disk defragmentation, duplicate file check, and inefficiency check. This software can work with both traditional hard drives and solid state hard drives. You can run automatically and manually this tool. The best feature of the software is that it can run in the background while you are working on your PC. This software has the ability to boot files present in your computer and relocate them to the place from where they can be easily accessed. It is compatible with Windows 10, 8.1, 8, 7 and Vista, and gives you one license per purchase.

Features

  • Uses efficient resources
  • Fast and secured operation
  • Provides comprehensive statistics
  • Supports almost versions of Windows

Pros

  • Background defrag options
  • Easy to use
  • No technical expertise required
  • Manual and scheduled defragmentation

Cons

  • No free version
  • Lack of additional options

Price: $29.95 per year

Device Compatibility: Windows 10 / 8.1 / 8 / 7 / Vista / XP

11. Puran Defrag

puran defrag

Using this disk defragmenter, you can start to defrag process manually or schedule automatically on a recurring basis. The automatic feature is the best as it keeps on scanning your hard drive from time to time in search of fragmented files. The user interface is simple and can be operated by the person with minimal skills. Puran Defrag can run bootup defrag process that will improve your computer’s performance and speed. With this tool, you will get the registry scan option where you can exclude the file from the scan.

Features

  • Background defragmentation
  • Can download and use additional tools
  • Can optimize game performance
  • Automatic defragmentation with user-defined schedule

Pros

  • Capability to enable low priority scan
  • All options are free for a single user
  • Can defragment registry
  • May be used to recovering data

Cons

  • No special scans for identifying malware
  • Does not supports Windows 10

Price: Free

Device Compatibility: Windows XP / 2003 / Vista / 2008 / 7 / 8

12. Ultimate Defrag

Ultimate Defrag

This best disk defragmentation software recognized the files that you use most on your system and relocate them to the easily accessible place. This smart feature of the Ultimate Defrag software makes it the best disk defragmenter for Windows in 2021. The program can archive all the files which you don’t use frequently on your computer. The tool also has a built-in scheduler, so that you can schedule full system scan during nights when you don’t use your computer. All in all, it is easy to install and use software for advanced Windows users.

Features

  • Ability to analyze hard disks based on usage frequency
  • Inbuilt automatic defragmenter
  • Defrag simulation can calculate defragmentation time
  • Uses less hard disk space

Pros

  • Can scan registry entries
  • Options to schedule your scans
  • Sets priorities for applications based on the usage
  • Provides immediate access to recently used files
  •  

Cons

  • Can defragment Solid-state drives
  • Cannot identify duplicate files

Price: $29.95 (Ultimate Defrag6) Annual Subscription

Device Compatibility: Windows 10 / 8.1 / 8 / 7 / Vista / XP

13. GlarySoft Disk Speedup

GlarySoft Disk Speedup

When you are looking for the best disk defragmentation software for Windows in 2021, then search for traits like simple user interface, fast performance and effective to use. And, all these traits are packed in the GlarySoft Disk Speedup software. This program is handy and useful for regular computer users who just want a neat program to work with. The software will optimize your windows system and helps in enhancing the overall performance of your system by helping you defrag Windows 10, 8, 7.

Features

  • May be used for defragmenting startup programs
  • Faster analysis
  • Easy interface
  • Low disk space required for installation

Pros

  • Free full-featured version
  • Safe and secured optimization
  • Can optimize solid-state drives
  • Simple installation procedure

Cons

  • No duplicate file finder
  • have to install unwanted Glory utilities

Price: Free

Device Compatibility: Windows 10, 8.1, 8, 7, Vista, XP

Also Read: Best Disk Cloning Software for Windows

14. MyDefrag

MyDefrag

This user-friendly free disk defragmenter will automatically make your hard drive performance oriented and spacious with its magical features. This software has multiple beneath the hood cool features which include a variety of scripts angle scripting engine that offers you access to the tool’s underpinnings. Overall, this tool contains all the useful features of cool disk defrag apps.

Features

  • Integrates and creates more free space
  • More personalization options
  • Scheduled operation
  • Good technical supports with useful resources

Pros

  • More advanced options
  • Simple and easy to use interface
  • Can defrag both external and internal drives
  • Default automated defragmentation

Cons

  • Cannot be used within the explorer
  • No latest updating

Price: Free

Device Compatibility Windows 10, 8.1, 8, 7, Vista, XP, 2000, Windows Server 2003 and 2008

15. Diskeeper 18 Home

Diskeeper 18 Home

The most interesting feature of this best disk defragmenter that makes it unique from the other apps, is that it can work with up to 3 computer systems at the same time. This program works continuously to keep your system in the optimum state, just like a brand new piece. After using this software, you will experience tremendous improvement in the performance of your system. Such as you can browse the internet with lightning speed.

Features

  • Can defrag during boot time
  • User-defined menus
  • Defrags all types of drives
  • Enhance your HDD with faster performance

Pros

  • Increases disk performance
  • Can defrag multiple drives at the same time
  • Extensive free version options
  • Safe and secured usage

Cons

  • Cannot defrag flash drives
  • Complicated dashboard options

Price: $49.95 per year

Device Compatibility: Windows 10, 8.1, 8, 7, versions

FAQ

What is Disk Defragmentation in Windows 10?

Disk defragmentation is an advanced technique in your  Windows system. This Microsoft Windows utility is designed to increase data access speed by rearranging files stored on a disk to occupy contiguous storage locations.

Do I need to defrag Windows 10?

If the disk fragmentation percentage is less than 10%, then you shouldn’t need to defrag drive. Else, you should consider disk defragmentation to speed up system performance.

How to Defrag Drives Manually?

Windows also offers a built-in utility to help you defrag individual drives on your PC. To do this, follow these steps:

  • Search Defrag in the search box on the taskbar and select Defragment and Optimize Drives option.
  • Once you are on Optimize Drives window, select the drive that you want to defrag and click Analyze button.
  • Now click on Optimize button to defrag the selected drive.
disk-defrag-windows 10

Conclusion

By downloading the best disk defragmenter for Windows in 2021, you will get – improved performance, faster boot time, swiftly file loading, organized space on disk, clear disk space and much more. Now, if you don’t have downloaded disk defragmentation software, then you are missing out lots of things. So, don’t forget to download best defrag software to improve your system’s performance.

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