Smart Defrag is a reliable, stable, yet easy-to-use disk optimizer designed for quicker data access, faster file processing, and smoother gaming on Windows.

Why is Smart Defrag special and attractive?

Fully Support Windows 11
As Windows 11 comes to the stage, Smart Defrag is immediately improved to be fully compatible with Windows11. Thus, Smart Defrag can work perfectly on mainstream Windows systems.

Defrag HDD Smartly
The smart IObit disk defrag engine makes optimizing HDD easily and effectively, greatly improving HDD's reading/writing speed, access speed, and performance.

Trim SSD Intelligently
While SSD sweeps the computer world, it is also necessary to care for SSD. Smart Defrag introduces the world-leading technology to trim SSD and prolong its lifetime.

Optimize Disk Automatically
Auto Defrag and Scheduled Defrag ensure your disks are always optimized to their top performance. You are totally free from starting an optimization manually.

Optimize Disk Thoroughly
Some fragments can't be defragmented while the PC is running. Boot Time Defrag can defrag the Windows registry and files in every corner of the disk at system startup to release more occupied RAM and ensure the system stability.

Provide Better Gaming
Besides considering common computer users, Smart Defrag also considers gamers. Game Optimize can bring an ultra-smooth gaming experience.

Monitor Disk Status
Disk Health can monitor your disk status in real time and provide an intuitive view to help you know better about your disk status.


What's new:
+ Optimized defrag engine for more efficient and stable defragment
+ Improved Large File Defrag to better defragment large files for faster disk reading/writing and longer disk lifetime.
+ Strengthened Disk Cleanup to free up more disk space
+ More user-friendly installation process
+ Fully compatible with the latest version of Windows 11
+ Supported 42 languages
* And more can be discovered by you

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