Includes tools for optimizing your Mac, securely deleting files, and scanning for malware. These are top 3 optimizers that look most optimistic to us (sorry for the pun). We've chosen these among hundreds of others mentioned on Mac Forums. So here are some absolutely essential Mac optimizers to check in 2021. Some of them are good enough that even Apple employees use them (Guy Kawasaki, for one). And there we got a whole world of Mac optimization apps. But then it might slow down up to 17% when its disk is near full (confirmed by MacWorld in a test). A new Mac always seems to be lightning quick.
