SpeedUp MacĬompany: Stellar Information Technology Private Limited The following sections talk about 7 Fantastic Mac disk clean-up software that are life-saving (and FREE). The best solution is to use a secure disk cleanup software that eases the clean-up task and optimizes your Mac routinely. But manual cleanup isn’t always helpful, as most users aren’t aware of what to clean and where to find those unwanted items on their Mac. Cleaning up your Mac from caches, application traces, leftovers, trash items, duplicate files, and other junk files frees up drive space and boosts system performance.