IObit Smart Defrag Icon

IObit Smart Defrag is a solid and intelligent disk defragmenter, that helps you keep your hard disk running at maximum performance, 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. You can 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% OFFRedeem Coupon

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

Notice: Please be careful. IObit displays desktop pop-up ads or images during installation with inappropriate content for children under 18 or religious people.
Download v6.6.5

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Last Update: January 14, 2025

Current Version: 10.3.0.435

License: Freeware

Languages: Multiple Languages

Supported Operating Systems:
Windows XP / Vista / 7 / 8 / 8.1 / 10 / 11

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 offer for this software are sourced from the official website of the author or developer, guaranteeing they are 100% original and unaltered. However, because the links are external, we cannot guarantee their safety, availability, or download speeds. We will research and find various download options for your software, including online installers, full offline installers (usually 'exe' or 'msi', 'dmg', and occasionally 'iso' or torrent), and portable editions (commonly 'zip' or 'rar'). We wish to clearly express our firm opposition to piracy. We maintain a strict zero-tolerance policy against piracy and will neither offer nor share any pirated or illegal versions or tools. We strongly advise against using such methods, as they can damage your devices. We highly encourage you, if you value this software, to invest in a legitimate license. Doing so not only guarantees your safety but also supports the developers, resulting in improved software quality.