Guides
Practical, command-by-command guides to the gigabytes your dev tools hoard — written by the developer of DevCleaner. No fluff, real commands, honest risk labels.
Free Up Disk Space on a Mac: The Developer's Guide
Where every major toolchain hides its cache — Xcode, npm, Homebrew, Gradle, pip, Cargo, Docker — and the exact command to clean each one safely.
How to Clear Xcode DerivedData & Caches Safely
DerivedData, simulators, DeviceSupport, archives: what each folder costs to delete, plus the one pitfall that breaks builds.
How to Remove Old iOS Simulators & Runtimes
Unavailable devices and superseded iOS runtimes can hoard 5–60 GB. Delete them with simctl — never rm.
How Much Disk Space AI Coding Tools Really Use
Claude, Cursor, Windsurf, Ollama, LM Studio — caches vs. model weights, what's safe, and the session files you must never touch.
How to Remove Unused Ollama Models on Mac
Each local model is 2–40 GB. See what you have, remove what you don't, and why shared layers free less space than you'd expect.
How to Clean npm, Yarn & pnpm Caches on macOS
Package-manager caches, the global pnpm store, and how to hunt down forgotten node_modules folders sorted by size.
Can I Delete node_modules? (And When To)
When it's safe to wipe node_modules, how to find stale folders across your Mac, and why caches are a separate cleanup.
Docker Taking 100GB? Clean It Safely
Docker.raw, build cache, dangling images, stopped containers and the volumes trap — prune commands ranked by risk.
Best Mac Cleaner for Developers: An Honest Comparison
DevCleaner vs CleanMyMac vs DaisyDisk vs OmniDiskSweeper — three different kinds of tool, and when each one is the right answer.