Disk fragmentation is generally main cause of slow and unstable computer performance. Smart Defrag helps defragment your hard drive most efficiently. Smart Defrag not only defragments computer deeply but optimizes disk performance. With "Install it and forget it" feature, Smart Defrag works automatically and quietly in the background on your PC, keeping your hard disk running at its speediest. Slow down, freeze-ups and crashes will be a thing of the past.

Features include:
Extremely Fast and Efficient Defragmentation Enhanced
Using IObit's latest defrag engine and the new "Boot Time Defrag" technology, Smart Defrag 2 has not only the world's fastest defragmenting speed but also the most advanced defragmenting ability. It's been specially designed for modern, large hard drives, which eliminates the long waiting time.

Designed for Top Disk Performance Enhanced
Smart Defrag 2 doesn't just provide simple defragmentation. 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.

Always-on Automatic Defragment Enhanced
Smart Defrag 2 works automatically and quietly in the background, so it continually and constantly keeps your computer fragment-free.

"Boot Time Defrag" Technology New!
Smart Defrag 2 is using a new "Boot Time Defrag" technology which allows you to defrag files during the system boot process, while these files cannot be defragged or are not safe to move after the system is already boot-up.

Guaranteed Data Safety and Disk Stability Enhanced
Unlike other "Automated" Defragmenters, Smart Defrag 2 does NOT constantly perform analysis and defrag, which damages your hard drive and shorten its life. Smart Defrag 2 has a "Safe Intelligence" technology that can assure the health of your disk by deciding When and How to execute defragmentation.

On-schedule Disk Defragment Enhanced
Your PC's performance is better maintained when it is defragged on a regular basis. Smart Defrag 2 offers a flexible way that allows you to schedule disk defragmentation according to your needs.

Extremely Easy to Use Enhanced
Smart Defrag 2 has taken on a new look. While it's still intuitive and easy to navigate, the new interface is undoubtedly more exquisite and professional, making Smart Defrag 2 the ideal utility for complete computer novice.

Free Defragmenter Forever
Smart Defrag 2 is 100% freeware. Download, use, and update it absolutely free for your personal computers, business or enterprise servers it won't cost you a penny.