After that, you can enjoy a faster PC startup and top running speed on your PC with the most stability.

Furthermore, using a feature unique to IObit, it allows you to customize defrag specified files during system boost. The Boot-time Defrag feature of the tool will easily do this job for you, it can help you safely defrag files on HDD. Specific boot files in the system disk are not allowed to be moved safely while Windows is running, which causes a slower and slower system startup.

Then you can enjoy faster game launching speed, copy files in half the time, etc. In order to accelerate your hard drive for faster data access and outstanding disk performance, the tool provides efficient defragmentation technology to hard drives and SSD using multi-threading defragging whilst also consolidating free space and defragging large files.

Being the first Disk Defragmenter that fully supports Windows 8/8.1/10 Metro Apps, It works fast, automatically and quietly in the background and is a disk defragmenter suitable for large hard drives.ĭisk fragmentation is generally the main cause of slow and unstable computer performance. With the unique Deep Analyze technology, it smartly cleans junk files before defragmentation to save more disk space for you. Based on IObit latest disk defrag engine and 'Boot Time Disk Defrag' technology, Smart Defrag Portable not only provides defragmentation, as any typical disk defragmenter can do but also intelligently streamlines your files based on using frequency, thus accelerating disk speed for faster data access! Smart Defrag Portable is a FREE, light, and stable disk defragment tool designed for maximum hard drive performance.

Iobit smart defrag free