Hi All,
Good news! Smart Defrag v6 Final has been released. This new version has new UI with great improvements. Check it out and enjoy the new features.




1. Download Now
5. Description:
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.
Good news! Smart Defrag v6 Final has been released. This new version has new UI with great improvements. Check it out and enjoy the new features.





1. Download Now
Download Smart Defrag 6
2. Send your Feedback
- E-mail us your suggestions or comments directly: sdfeedback@iobit.com
- Join discussion on our forums.
We have picked out the top 20 most valuable beta contributors for SD 6 and presented them a license code for SD 6 Pro for 1 year as promised.
parkd1, ektorbarajas, roger_m, John Bennett, WD Jackson, E.C.Brocklehurst, Doris Garrett, Ray Haynes, Roger Noble, Daryl, Stephen Foss, luis manriquez, Dragan, Sandy Lightfoot, Simon McMullen, kostas, Raymond Willbanks, John, Dr Charles Voluse, Bennie.
3. Share Smart Defrag 6 with your families, friends, and colleagues
4. What's New
+ 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.
+ Greatly increased the success rate of sending feedback.
+ Started a new round of Lucky Draw.
+ More user-friendly installation process.
+ New Readable skin and more intuitive interface.
+ Supported 40 languages.
* And more can be discovered by you.
- E-mail us your suggestions or comments directly: sdfeedback@iobit.com
- Join discussion on our forums.
We have picked out the top 20 most valuable beta contributors for SD 6 and presented them a license code for SD 6 Pro for 1 year as promised.
parkd1, ektorbarajas, roger_m, John Bennett, WD Jackson, E.C.Brocklehurst, Doris Garrett, Ray Haynes, Roger Noble, Daryl, Stephen Foss, luis manriquez, Dragan, Sandy Lightfoot, Simon McMullen, kostas, Raymond Willbanks, John, Dr Charles Voluse, Bennie.
3. Share Smart Defrag 6 with your families, friends, and colleagues
4. What's New
+ 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.
+ Greatly increased the success rate of sending feedback.
+ Started a new round of Lucky Draw.
+ More user-friendly installation process.
+ New Readable skin and more intuitive interface.
+ Supported 40 languages.
* And more can be discovered by you.
5. Description:
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.
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