Little Mac AppsHow to find large files on a Mac
Use Storage settings, a Finder size search or File Stacker's treemap to find the files and folders taking the most space, and check them before you delete.
Mac storage guides
Practical guides to finding and freeing disk space on your Mac. Each one covers what macOS can do on its own, then how to do it with File Stacker.
How to find duplicate files on a Mac
The difference between identical and similar files, Photos' Duplicates collection, choosing which copy to keep, and why the space you get back can be less than shown.
How to clean up Xcode storage
What simulator runtimes, DerivedData, simulators, package caches and archives are for, and what removing each one does.
File Stacker quick guide
For short step-by-step instructions for every File Stacker feature, from your first scan to installing it on another Mac, see the File Stacker guide.