It allows you to resize (extend/shrink), move, create, split, merge partitions without any data loss for the maximum use of hard disk space.
You can only migrate OS to SSD/HDD according to your needs. Or you can make an exactly copy of your system disk or data disk with Disk Cloned Wizard.
You can easily convert you disk between MBR and GPT, convert dynamic disk to basic disk or vice versa, and convert file system between NTFS to FAT32 without data loss.
For the latest Windows 11, you can convert MBR and GPT disk without any data loss to enjoy the new system.
Other useful tools
Partition Recovery can recover lost partition. Wipe Hard Drive can clean data permanently. Besides, Rebuild MBR, Windows to Go Creator, Make Bootable Media are very useful tools for you to get out of troubles.