MacShiny is all-in-one maintenance tool for Mac OS X. Clean Up: Safely delete massive volumes of junk files from your Mac. Duplicates: Find and delete duplicate files to free up gigabytes of space. Extension: Remove unwanted browser toolbars, extensions, and startup items. Large & Old: Get rid of old and large files avoiding to delete useful data. Protect: Secure your Mac from spyware, theft and data loss.