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IObit Smart Defrag is a solid and intelligent disk defragmenter, that helps you keep 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. it is developed by IObit, one of the biggest software vendors for system utilities and security software founded in 2004.

IObit’s Defrag tool has a very fast defragmenting engine. It can defragment your HDD as well as trim your SSD to quicken plate read/compose speed and upgrade circle strength. Users can, without much of a stretch, defrag enormous documents and combine free spaces with the recently included Large File Defrag and Free Space Defrag for increasingly productive defragmentation. Additionally, clients can appreciate the top game involvement with Game Optimize in Smart Defrag 2019.

IObit Smart Defrag Main Interface Screenshot

Besides, It 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.

IObit Smart Defrag Analyzing Hard Disk Screenshot
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

Download v6.6.5

# Note: we are sorry but IObit don’t allow to share direct download links from official IOBit server.

Last Update: May 13, 2022

Current Version: 7.5.0.121

License: Freeware

Languages: Multiple Languages

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

Developer: IObit

Homepage: IObit.com

  • 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.
Disclaimer: The direct download links we provided to you for this software are from the official author's website, therefore we can't guarantee safety, availability, or download speeds. We will look into all download options for your software: online installer, full offline installer (mostly exe or msi, and in rare cases - iso, or torrent), or portable edition (mostly zip, or rar). Moreover, we don't and we won't provide any pirated/illegal versions or tools. We recommend that you avoid using these methods as these methods can harm your device. If you like this software, buy it to support its developers.
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