Smart Defrag Portable is the portable version of Smart Defrag developed to be able to run from a USB flash drive or any other portable device.
Smart Defrag is a powerful disk defragmenter with a fast engine and an easy to use interface.
With Smart Defrag Portable you get all the needed tools to analyze and defragment your drives. This will keep your system up and running with less glitches. 

· Exceptionally Efficient Defragmentation - Smart Defrag has the world's fastest defragmenting engine. It's been specially designed for modern, large hard drives, so it eliminates long waiting time.
· Optimize Disk Performance - Smart Defrag doesn't just use 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 to Work Automatically - Smart Defrag can be set to work automatically and quietly in the background, so it continually and constantly keeps your computer fragment-free.
· Extremely Easy to Use - Its intuitive interface makes Smart Defrag the ideal utility for complete computer novice.
· Data Safe and Reliability Guaranteed - Besides, unlike other "Automated" Defragmenters, Smart Defrag does NOT constantly perform analysis and defrag, which does damage your hard drive and shorten its life. Smart Defrag has a "Safe Intelligence" technology that can assure the health of your disk by deciding When and How to execute defragmentation.
· Free Defragmenter Forever - Smart Defrag 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.