Safe to Delete

GarageBand's sound library can use tens of GB of storage on your Mac. It's safe to delete if you don't make music; it re-downloads free anytime. One caveat first.

Slack, Discord, VS Code and Spotify can hoard multi-GB caches. How to clear app caches on Mac safely: quit the app, empty only its Cache folder, skip real data.

Dragging an app to the Trash removes only the .app bundle; its files stay in ~/Library. How to uninstall apps on Mac completely, by hand or with a free tool.

Is it safe to delete cache on Mac? Mostly yes for user caches in ~/Library/Caches; macOS and apps rebuild them next launch. Which to clear, which to leave.

Yes, old iOS backups on your Mac are safe to delete and can free tens of GB. Here's which ones to remove, the caveats, and the safe way to do it in Finder.

Wondering what you can delete on a Mac? An honest, tiered guide: what's safe (caches, Trash, backups), what to back up first, and what you should never touch.

Yes, deleting node_modules is safe: it's fully reproducible from package.json and your lockfile. Here's when to delete it, how to find every stale copy on your Mac, and how to reclaim the space.