AOMEI Backupper is a powerfull software for disk managing. It supports all possible operations with disk properties and content. The extended tools pack provides high possibilities for work with disks. You can create bootable USB, migrate to SSD, convert to NTFS and merge/split disks. There is also Clone disk tool which can be used for creating disk image. Notice that it need an unallocated disk space for work.
EaseUS Partition Master is a good choice for disk space quick correction. The built-in tuneup optimizer can clean junk files, make defragmentation for drives and free up space by searching and deleting large files. The another one key features is the ability to transfer the OS to another logical disk, what can be very usefull if you bought new hard disk. It also provides a tool for drive formating and data wiping which can seriously increase your data safety. The basical functional contains tools for driver data editing and disk resizing.