March 14, 2019

IObit Smart Defrag

IObit Smart Defrag Icon

IObit Smart Defrag is a reliable and intelligent disk defragmenter, that helps you keeping your hard disk running at maximum performance, means accelerating your whole system. Disk fragmentation is generally the main cause of slow and unstable computer performance.

IObit's Defrag tool has a very fast defragmenting engine. It can not only defragment your HDD but also trim your SSD to accelerate disk read/write speed and enhance disk durability. Users 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, users can enjoy top game experience with Game Optimize in Smart Defrag 5.

Besides, It's also streamlines your file system, places the frequently used files and directories into the fastest area of the disk, enabling your computer to run at top speed with the most stability.

Smart Defrag is available in two editions - Free and Pro (Compare). The Free edition is 100% freeware. download, use, and update it absolutely free for your personal computers, business or enterprise servers. The Pro edition adds advanced features over the Free edition.

Buy IObit Smart Defrag Pro at 25% OFF
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Key Features:
  • Intuitive interface
  • Relatively lightweight
  • Ultra-fast defrag engine
  • Optimize disk performance
  • Optimize PC startup
  • SSD Trim functionality
  • Multiple defrag modes
  • On-Scheduled disk defragment
  • Boot Time Defragment
  • Game optimize

Download IObit Smart Defrag Free


Last Update: March 14, 2019

Current Version:

License: Freeware

Languages: Multiple Languages

Supported Operating Systems:
Windows XP / Vista / 7 / 8 / 8.1 / 10 (32-Bit, 64-Bit)

Developer: IObit


  • Optimized defrag and registration processes for better user experience.
  • Added support for Danish and Russian localizations.
  • Improved the display of contributors in About.
  • Fixed minor bugs.