The Tinymop blog.

Plain answers about Mac storage: what’s safe to delete, where things hide, and how to do it by hand.

Smart Scan
What “System Data” on your Mac is, and how to shrink it safelyDraftWhy the grey System Data bar in Storage keeps growing, what’s inside it, and which parts are safe to clear.
Developer Files
How to delete Xcode DerivedData, old simulators and device supportDraftThree Xcode folders that quietly grow to tens of gigabytes, and how to clear them without breaking a project.
AI Clutter
How to clear Claude, Cursor, ChatGPT and Codex caches without losing your chatsDraftWhere AI tools keep caches, logs and old versions on a Mac, and what you should never delete.
Applications
How to fully uninstall a Mac app (and what the Trash leaves behind)DraftDragging an app to the Trash leaves its files in your Library. Here’s where they are and how to remove them.
System Junk
Is it safe to delete ~/Library/Caches?DraftWhat caches are, which ones rebuild themselves, and when clearing them is a bad idea.
Screenshots
Where macOS saves screenshots, and how to clear out old onesDraftFind every screen capture on your Mac, change where new ones go, and delete old ones in bulk.
Large & Old
How to find large and old files on your MacDraftFinder searches, a Terminal one-liner, and the macOS Storage list that shows your biggest documents.
Similar Photos
How to find duplicate and similar photos on your MacDraftExact duplicates, bursts and lookalikes, how to keep the sharpest one, and how not to delete the wrong copy.
Space Map
Why is my Mac’s disk full? A folder-by-folder lookDraftHow to see which folders are really big, and why the Storage panel doesn’t tell the whole story.
Tune-up
What a Mac “tune-up” really does, step by stepDraftRestarting the Dock and Finder, rebuilding “Open With”, clearing Quick Look previews: what each one fixes.