Smart Defrag doesn't just provide simple defragmentation.
It's been specially designed for modern, large hard drives, which eliminates the long waiting time. Using IObit's latest defrag engine and the new 'Boot Time Defrag' technology, Smart Defrag has not only the world's fastest defragmenting speed but also the most advanced defragmenting ability. 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 top speed. Smart Defrag is a free tool that provides extremely fast and efficient defragmentation to your hard drives intelligently for faster file loading and high disk performance.