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One-tap cleanup
Scan first, see exactly how much you'll reclaim, then clean. Caches, logs and app leftovers — your in-use data is never touched.
Open-source Mac cleaner
A clean Mac,
without the fuss.
HahaClean is the friendly desktop app for cleaning your Mac — sweep away caches and junk, uninstall apps completely, cool things down, and free up memory. One window, big buttons, nothing to learn.
Free & open source · macOS 14+ · Apple Silicon & Intel · 中文 / 日本語 included
Built on the open-source Mole CLI — HahaClean bundles the engine and wraps it in a calm, novice-friendly interface. No Terminal required.
Everything in one calm window
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Complete uninstall
Remove an app and everything it left behind — preferences, caches, launch items. Search, click, gone.
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Fan control
Force the fans before a long, heavy session — for 15 minutes up to "keep going." Capped at your hardware's limit, auto-restores if the app quits.
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Free up memory
See what's eating your RAM and reclaim file caches with one tap. Quietly, no reboot.
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Stale dev environments
Find the nvm, pyenv, conda and Homebrew installs you forgot six months ago — and how much disk they're hoarding.
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Disk & project slimming
Drill into what's filling your disk, and trash rebuildable node_modules/build folders — always recoverable.
Fully open source
HahaClean is free and open source under the GPL-3.0 license — every line, including the bundled cleaning engine. It's an independent project built on Mole (also GPL-3.0), and is not affiliated with or endorsed by the Mole project.
No telemetry. No tracking. No accounts. The app never phones home.