Developer

Android Studio disk space on your Mac balloons fast: Gradle caches, AVD emulators, and SDK images quietly reach 50–100 GB. Here's exactly what's safe to clear.

The best Mac cleaner for developers finds what generic cleaners miss (node_modules, Xcode DerivedData, Docker.raw), shows exact paths, never touches source.

Your Mac is quietly holding onto 100–200 GB you never chose to keep: cache, “System Data,” APFS snapshots, and files apps leave behind when you delete them. Here's what all of it actually is, and how to see it.

Xcode taking up space on your Mac? DerivedData, DeviceSupport, and simulators quietly reach 20–50 GB. Here's exactly where it goes and what's safe to delete.

Port 3000 already in use? Here's how to find the exact process holding it on macOS with lsof, stop it safely, and deal with zombie dev servers that survived Ctrl-C.

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.