IObit Smart Defrag

IObit Smart Defrag

IObit – 3.8MB – Freeware – Windows
out of 161 votes
image/svg+xml VERY GOOD User Rating
Smart Defrag is a safe, stable and easy-to-use disk defragmenter that provides you maximum hard disk performance automatically and intelligently. With the new generation of ultra-fast defrag engine, Smart Defrag 5 can not only defragment your HDD but also trim your SSD to accelerate disk read/write speed and enhance disk durability. You can easily defrag large files and consolidate free spaces with the newly added Large File Defrag and Free Space Defrag for more efficient defragmentation. Also, you can enjoy top game experience with Game Optimize in Smart Defrag 5.

What's new:
+ More compatible with the latest Windows 10
+ Optimized process for better user experience
+ More efficient defragment with improved defrag engine
+ Updated multiple languages
* Fixed occasional registration error
* Fixed known bugs


IObit Smart Defrag is a Freeware software in the category System Utilities developed by IObit.

It was checked for updates 3,958 times by the users of our client application UpdateStar during the last month.

The latest version of IObit Smart Defrag is, released on 03/01/2022. It was initially added to our database on 04/25/2008. The most prevalent version is, which is used by 58 % of all installations.

IObit Smart Defrag runs on the following operating systems: Windows. The download file has a size of 3.8MB.

Users of IObit Smart Defrag gave it a rating of 4 out of 5 stars.

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3,958 users of UpdateStar had IObit Smart Defrag installed last month.
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