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.

IObit SmartDefrag is a smart tool to maintain your system performance, speed and stability for no cost at all. IObit SmartDefrag helps defragment your hard drive more efficiently than any other product on the market.

Features of IObit SmartDefrag :
· An "Install It and Forget It" feature that works automatically and quietly in the background on your computer.
· The ability to constantly keep your hard drive safe, error-free and running at its top speed and optimum performance.
· Eliminates slow downs, freeze-ups and crashes.
· IObit SmartDegrag is 100% FREE award-winning software that’s for personal, home and small business.
· 100% safe from any spyware, adware and virus.
· Designed for Windows Vista, XP, and 2000.
· Distribute it freely, copy it, sell it or include it as part of a package – as long as it is left completely intact and unchanged.
· Extremely Easy to Use
Install it and forget it. This powerful, free utility works continuously, automatically and quietly in the background on your PC. Its intuitive interface makes IObit SmartDefrag the ideal utility for complete computer dummies.
· Exceptionally Efficient Defragmentation
IObit SmartDefrag has the world’s fastest defragmenting engine. It’s been specially designed for modern, large hard drives, so it eliminates long waiting times.
· Optimize Your File System
IObit SmartDefrag doesn’t just use simple defragmentation. It also streamlines your file system, enabling your computer to run at top speed with the most stability.
· Always-on to Work Automatically
IObit SmartDefrag works automatically and quietly in the background, so it continually and constantly keeps your computer fragment-free.
· Free Defrag Forever
IObit SmartDefrag is 100% freeware. You can download it and update absolutely free –– it won’t cost you a penny.