System is 30 GB or more, and almost none of it is removable
The System category covers the sealed volume, asset packs and recovery data. What each part is and the two things you can change.
582 guides
Mac storage, explained.
What fills your disk, where it hides, and what is safe to remove. Every guide gives you a way to check it on your own Mac.
Haskell keeps a compiler per resolver and a package database per project
GHC installs, package databases and dist folders accumulate quickly. Where they are and which commands prune them.
The Command Line Tools are not small, and they are not Xcode
What the Command Line Tools install, how big they are, and when you can have them instead of the full Xcode.
A photographer's Mac fills predictably, and it is fixable by workflow
Where the space goes in a photo workflow, which parts are derived, and a setup that keeps the internal drive usable.
Video fills a Mac faster than anything else, and most of it is derived
Source footage, proxies, render caches and exports, and a workflow that keeps the internal drive from being the bottleneck.
A developer Mac setup that does not fill up every three months
Shared caches, an external drive for the right things, and four settings that stop the recurring cleanup entirely.
A student Mac on 256 GB, and the four things that fill it
Coursework is small, everything around it is not. What actually fills a student's Mac and the free storage most students already have.
The Android SDK keeps a system image for every API level you tried
Platforms, build tools and system images accumulate per API level. Which command lists them and which removes them.
OmniDiskSweeper alternatives, and when the plain list still wins
OmniDiskSweeper still downloads and still works, and its page does not say so. What the sorted list is best at, where it stops, and what to use instead.
Disk Inventory X on a current Mac, and what to use instead
Disk Inventory X last shipped in 2019 and is Intel only. What that means on an Apple silicon Mac, and the treemaps that replaced it.
AppCleaner alternatives, and the one thing it cannot do
AppCleaner is free and it works. It also cannot help with apps you already deleted, which is where most of the leftover space actually is.
What the macOS storage screen shows you, and what it hides
macOS has a storage tool built in and it is genuinely useful for four things. Here is exactly where it stops, and how to tell if you need anything else.