It basically, speeds up your PC and the data access taking complete advantage of your SSD performance. It works to optimize the hard drive and PC performance. If you are looking for a defrag tool that offers fast and deep clean, then Smart Defrag could well be your answer. It helps defrag even the empty space on your drive along with your files, which means it helps stop defragmentation even before it takes place.
Defraggler is a great defragmenter for Windows 10 that lets you shred all hard drives or the files (one by one).