Sign up for a new account or log in here:
Same quality and features as paid defragmenter, no cost forever.
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. Smart Defrag is complete free for home, organization, and business.
Extremely Easy to Use
Install it and forget it. This powerful, free defragmenter works continuously, automatically and quietly in the background on your PC. Its intuitive interface makes Smart Defrag the ideal utility for complete computer dummies.
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 times.
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 works automatically and quietly in the background, so it continually and constantly keeps your computer fragment-free.
Data Safe and Reliability Guaranteed
Smart Defrag uses the commercial-level standard to move data and does not damage any file in your disk. Besides, unlike other "Automated" Defragmenters, Smart Defrag does NOT constantly perform analysis and defragment, 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 start 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.
How does it work
Install it and forget it: Install Smart Defrag, begin to defragment your hard drives in a manual way, or just minimize it to the system tray.
English, Danish, German, Finnish, Dutch, Hungarian, Italian, Brazilian Portuguese, Turkish, Russian, Spanish, 简体中文
Get free exclusive content, learn about new features and breaking tech news.