MacOptimizer 3 is an incredibly fast and efficient disk utility to optimize your Mac, increase battery life, speed up workflow, and organize files and folders. NEW IN VERSION 3: Manage battery life, analyze battery health, cleanup unnecessary files and downloads, clean Firefox and Chrome browser caches, tweak system settings (over 30 new System Tweaks added!), and dozens of additional enhancements and bug fixes! Supports Mac OS X 10.7 (64bit) and newer.