IObit Smart Defrag is a Disk Defragmenter, that accelerates the whole system with fast and efficient disk defragment. Based on IObit latest disk defrag engine and “Boot Time Disk Defrag” technology, Smart Defrag 5 is created with the world’s leading defragmentation ability. It not only provides defragmentation, but also intelligently streamlines your files based on using frequency, thus accelerating disk speed and the whole system for top performance!



IObit Smart Defrag works fast, automatically and quietly in the background and is suitable for large hard drives. It helps defragment your hard drive more efficiently than any other product on the market - free or not. It is known that disk fragments has been a primary cause of slow and unstable PC performance.



IObit Smart Defrag is such a FREE tool that provides extremely fast and efficient defragmentation to your hard drives intelligently for faster file loading and high disk performance. With install it and forget it feature, the program works automatically and quietly in the background on your PC, keeping your hard disk running at its top speed.



Key Benefits:

Brand-new UI for a more intuitive interactive experience.

Optimized defrag engine for more efficient defragment.

Strengthened Disk Cleanup to free up more disk space.

Improved Auto Analyze for smarter analysis and more accurate results.

More fluent operation for a better user experience.

Better compatibility with the latest version of Windows 11 .

Optimized Feedback to increase the success rate of sending feedback.

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Supported 42 languages.

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