Smart Defrag

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License: Freeware


Release date: 2020-08-07

Company: IObit

Language: English,Albanian,Arabic,Armenian,Bulgarian,Byelorussian,Chinese,ChineseSimplified,ChineseTraditional,Croatian,Czech,Danish,Dutch,Finnish,French,Georgian,German,Greek,Hungarian,Indonesian,Italian,Japanese,Korean,Kurdish,Malay,Malayalam,Mongolian,Polis

Size: 15371 K

Category: File & Disk Management

OS support: Windows XP, Windows Vista, Windows 7, Windows 2000, WinOther, Windows Server 2003, Windows XP Tablet PC Edition 2005, Windows Millennium

5 Stars Award

Smart Defrag 6 is a reliable, stable, yet easy-to-use disk optimizer designed for peak hard drive performance. Unlike other traditional disk defragmenters which only provide defragmentation, Smart Defrag 6 also intelligently streamlines your files based on using frequency to accelerate disk data access.
With the improved IObit disk defrag engine, Smart Defrag 6 not only defrags your HDD but also trims your SSD to accelerate disk access speed and enhance disk durability.And Smart Defrag 6 specially optimized the file organization algorithm on Windows 10. To make it more powerful, Smart Defrag 6 also delivers several other useful features. Boot Time Defrag can defrag Windows registry to release more occupied RAM and ensure the system stability while you can customize Boot Time Defrag as per your needs. Meanwhile, Auto Defrag and Scheduled Defrag ensure your disks are always optimized to their top performance. Furthermore, Game Optimize is designed to offer gamers ultra-smooth gaming experience. The last but not the least, Disk Health can help you monitor your disk status in real-time.

What's new:
+ Better compatibility with the latest version of Windows 10
+ Optimized UI of Action Center
+ Fix known issues

File Distribution Notice of Smart Defrag Freeware -
Smart Defrag Free Download - 2000 Shareware periodically updates software information of Smart Defrag from the publisher, so some information may be slightly out-of-date. You should confirm all information before relying on it. Software piracy is theft, Using Smart Defrag crack, password, registration codes, key generators, serial numbers is illegal.

Latest Versions History


Date Released: 07.08.2020

Release Notes: + Optimized the engine of Large File Defrag for higher efficiency + Optimized the defragment strategy for less resource usage + Fixed minor issues


Date Released: 01.04.2020

Release Notes: + Optimized installation logic to make installation easier and smoother + Improved Silent Mode for better user experience + Updated Slovenian + Fixed minor bugs


Date Released: 20.11.2018

Release Notes: + 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.


Date Released: 20.09.2018

Release Notes: + Added a quick entrance to Disk Cleanup. + Optimized the operation process of Specify files and Exclude List. + Enhanced compatibility for more stable and efficient defrag. + Updated multiple languages. * Fixed known bugs.


Date Released: 26.07.2018

Release Notes: + Perfectly compatible with the latest Windows 10 version 1803. + Improved Defrag Engine for ultra-fast defrag. + Improved algorithm to organize files for quicker access. + Expanded Disk Cleanup database to free up more disk space. + Optimized operation process for better user experience.


Date Released: 09.03.2018

Release Notes: + Enhanced defrag engine. + Improved operations for better user experience. + Optimized multiple languages. * Fixed known bugs.


Date Released: 03.01.2018

Release Notes: + Supported Fast Defrag in Scheduled Defrag and Auto Defrag. + Fine-tuned UI for better user experience. + Updated multiple languages. * Fixed minor bugs.


Date Released: 29.02.2016

Release Notes: + Added Defrag registry files to Boot Time Defrag for more thorough defragmentation + Optimized defrag engine for more stable defragmentation + Optimized UI to make it more intuitive + Added Norwegian language * Fixed general bugs


Date Released: 09.11.2015

Release Notes: + Fully compatible with Windows 10 + Optimized algorithm for more stable and faster SSD trim and HDD defrag + Enhanced Junk Files Clean to free up more disk space + Improved localization and language support + Fixed general bugs


Date Released: 27.08.2015

Release Notes: + Enhanced Windows 10 compatibility + Enhanced Trim feature for higher SSD performance + Added support for 4K monitor + Optimized UI and settings for easier use * Fixed general bugs

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