7 min read
Developer Caches on Mac: What's Safe to Clear
Where Xcode, simulators, npm, pnpm, Homebrew, Docker, pip, uv and AI model caches live on a Mac, what rebuilds, and each tool's own cleanup command.
storagedevelopercleanup
Blog
Notes on a calmer Mac
Practical, honest guides to keeping your Mac fast, tidy and private — no scare tactics, no upsell.
Storage
7 min read
Lost Storage After the macOS 27 Update? Here's Why
After upgrading to macOS 27 Golden Gate, free space often drops. What took it, what comes back on its own, and what you can safely reclaim.
storagemacos-27cleanup
7 min read
Time Machine Local Snapshots Taking Up Space? What to Do
Local Time Machine snapshots can hold on to disk space. How to see them, which ones are safe to remove, and Apple's way to clear them on macOS 27 and 26.
storagetime-machinemacos-27
7 min read
What Is System Data on Mac? (macOS 27 & 26 Guide)
System Data is the catch-all storage category in macOS. What it contains on macOS 27, what's safe to reduce, and what to leave alone.
storagecleanupmacos-27
Uninstall & apps
8 min read
How to Completely Uninstall Apps on Mac (No Leftovers)
Dragging an app to the Trash can leave files behind. The safe way to remove an app, its Library leftovers, login items and helpers on macOS 27 and 26.
appscleanupstorage
7 min read
Login Items and Background Apps on Mac: What to Keep
What Open at Login, App Background Activity (formerly Allow in the Background) and launch agents are, and how to review them safely on macOS 27 and 26.
appsstartupmacos-27
Performance & heat
8 min read
Is Manual Fan Control Safe on a Mac? Risks and Warranty
What fan control apps change on Apple silicon and Intel Macs, why slower fans are the risky direction, what the warranty says, and how to hand back.
performancefansmacos-27
8 min read
Mac Slow After the macOS 27 Update? What's Normal
Why a Mac feels slow or warm for a while after updating to macOS 27 Golden Gate, how long that lasts, and what to check if it doesn't settle down.
performancetroubleshootingmacos-27
7 min read
MacBook Fan Loud or Running Hot? What's Normal
Why Mac fans spin up, how warm is normal, how to find the process causing the heat with Activity Monitor, and when manual fan control actually helps.
performancetroubleshootingmacos
8 min read
Spotlight Indexing High CPU on Mac: mds_stores Explained
Why mds, mds_stores and mdworker use so much CPU after a macOS 27 update, how long Spotlight indexing takes, and what to do when it never stops.
performancespotlightmacos-27
Privacy & buying
11 min read
Do You Need a Mac Cleaner? An Honest Buyer's Guide
Most Macs don't strictly need a cleaner. What macOS already handles, when one actually helps, how to choose a safe one, and the red flags to avoid.
buying-guidecleanupprivacystorage
7 min read
Does Your Mac Cleaner Send Data? How to Check
Cleaners get Full Disk Access to your files. How to check what any Mac app sends home with built-in tools, and what a privacy-first cleaner looks like.
privacybuying-guideapps
7 min read
Mac Cleaner Without a Subscription: What to Check First
One-time license or subscription? How Mac cleaner pricing really works, what "lifetime" often excludes, and 7 checks to make before you buy.
buying-guidecleanupprivacystorage
Follow along via RSS.