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IObit Smart Defrag

The best disk defrags software with advanced defragmentation.

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  • Latest Version: 9.4.0
  • License: Freeware
  • Final Released: 09/04/2024
  • Publisher: IObit Lab
  • Setup File: smart-defrag-setup.exe
  • File Size: 14.37 MB
  • Operating Systems: Windows 11, Windows 10, Windows 8, Windows 7
  • System Type: x86/ x64
  • Category: Utilities
  • Uploaded: Publisher

About IObit Smart Defrag

IObit Smart Defrag 9 is the best disk Defrag software with advanced defragmentation.

It also offers automatic defragmentation, faster data access, multi-language support, a modern interface, improves disk performance, and good support for Windows 10.

It has a three-button interface in the disk defragmentation software from which you can specifically defragment the memory and allows you to choose what and how to defragment it.

All these buttons show the main hard drive, Windows apps, and an option where you can select specific files and folders.

After installing IObit’s Smart Defrag, it will automatically scan your computer without any manual start. All you have to do is set it up, and it will work smoothly and automatically.

Optimize Hard Drive & PC Performance

It will monitor the performance of your PC. It also has an option for manual scanning and has a Trim button from which you can scan your computer for errors.

With its exclude feature, you can delete specific files and folders with an instant click. You will find this feature in the program settings.

The use of the program is very trivial and almost fully automatic; this is because the maximum efficiency of the PC must be available to everyone. The start screen offers three great possibilities hard drive optimization, defragmentation of Windows Apps only, and defragmentation of specific files or folders.

Disk Optimization

The optimization procedure turns out to be very fast even if the times depend very much on the number of files present on the hard disk.

Real-time Monitoring

A convenient animated diagram will show the optimization process, and the program will notify users when the work has been completed. Smart Defrag 8 also supports SSD disks and not just classic HHD disks.

Faster Game

Among the advanced options, is the possibility to start the defragmentation when the PC starts up and the defragmentation of the games to give more sprint to the playful side of using the computer.

The program uses multithreaded defragmentation, free space consolidation, and defragmentation of large files.

Boot-time Defrag

This will help you defragment files on HDD safely. Smart Defrag, therefore, is configured as an excellent tool for the maintenance of Windows computers.

It is used in a few clicks and allows you to guarantee the maximum operating efficiency of all PCs equipped with Microsoft operating systems.

Pricing Plan

Smart Defrag 7 PRO price for a 1-year subscription / 3 PCs is $19.99


Advantage and Disadvantage

  • The utility can perform tasks only when the system is idle;
  • Intelligent sorting system;
  • Modern interface with a choice of skin.
  • Modern visual design with a choice of additional skin
  • Ability to defragment separately selected files and folders
  • Optimization modes for games and applications
  • The aggressive policy of developers with offers to install other programs;
  • It can take a long time to fully defragmentation.


The free IObit Smart Defrag 9 Disk Defragmenter is a powerful tool for improving system performance; extending the lifespan of hard drives and disk health can compete with some programs about their health.

If you wish, you can expand the functionality of the Pro version by clicking on the orange “Activate” button.


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