How to change Mac nameHow to change Mac name in System Settings › General › About, how to change the local hostname, and where other devices see the name of your Mac.
How to check Mac model and yearHow to check Mac model, year and chip in About This Mac, find the model identifier and serial number, and identify a Mac that won’t turn on.
How to uninstall Homebrew on MacHow to uninstall Homebrew on a Mac with its official script: what to save first, what happens to apps from casks, and the leftovers to remove.
Mac Wi-Fi not working: how to fix itMac Wi-Fi not working or connected without internet? Restart Wi-Fi and the router, rejoin the network, run Wireless Diagnostics, check VPN.
How to clear pip cache on MacHow to clear pip cache on a Mac with pip cache purge, remove one package from the cache, and clear the uv and Poetry caches.
Large file finder for Mac: find big and old filesA large file finder for Mac lists your biggest files in one place. How to find big and long-forgotten files with MacWashing and delete the ones you don’t need.
Mac uninstaller: remove apps with all their filesA Mac uninstaller removes an app with its settings, caches and background items. How to do it with MacWashing’s Uninstaller, one app or several.
How to record audio on MacHow to record audio on Mac for free with QuickTime Player or Voice Memos, how to choose the microphone, and what to do to record the Mac’s own sound.
flutter clean: how to clear Flutter cache on MacWhat flutter clean deletes, how to clear Flutter cache on a Mac with dart pub cache clean, and where the Android and iOS parts keep their caches.
How to clear Mail cache on MacHow to clear Mail cache on Mac: see how much space Mail takes, erase deleted mail, limit attachment downloads, rebuild a mailbox and remove old accounts.
How to print screen on MacHow to print screen on Mac without a Print Screen key: Shift-Command-3, 4 and 5, where screenshots are saved and how to copy one to the clipboard.
How to cut and paste on Mac: text and filesHow to cut and paste on Mac: Command-X and Command-V for text, Option-Command-V to move files, Paste and Match Style, and pasting on an iPhone.
How to factory reset a MacHow to factory reset a Mac: what to do first, Erase All Content and Settings on newer Macs, and the Recovery way for older Intel Macs.
How to delete a venv or virtualenv on MacHow to delete a Python venv or virtualenv on a Mac safely, what you lose, and how to create it again later from requirements.txt or pyproject.toml.
Why is my Mac so slow? Check the disk firstWhy is my Mac so slow or slow to start up? Most often the disk is nearly full. How to check free space, login items, memory and the disk itself.
npm cache clean: How to clear npm cache on MacHow to clear npm cache on a Mac with npm cache clean --force, why npm asks for --force, and how to clear the Yarn and pnpm caches.
How to type emoji on MacHow to type emoji on Mac: Control-Command-Space or the Globe key opens the emoji picker. Search, skin tones, favorites and the Globe key setting.
How to downgrade macOSHow to downgrade macOS to an earlier version: get the installer, make a bootable USB drive, erase the Mac, install and restore your files.
How to merge PDF files on MacHow to merge PDF files on Mac for free: in Preview by dragging pages, with Edit › Insert, or in Finder with Quick Actions › Create PDF.
How to flush DNS cache on MacHow to flush DNS on Mac with one Terminal command, clear Chrome’s own DNS cache, and when flushing DNS actually helps.
How to boot Mac into Recovery ModeHow to boot a Mac into Recovery Mode on Apple silicon and Intel, Internet Recovery key combinations, and what you can do in macOS Recovery.
How to edit a PDF on MacHow to edit a PDF on Mac for free in Preview: add text, highlight, sign, fill out forms, delete and move pages, and what to do about the existing text.
How to scan documents on MacHow to scan documents on Mac with your iPhone (Continuity Camera), into Notes, or with a scanner in System Settings and Image Capture. Free, built in.
How to switch between windows on MacHow to switch between windows on Mac: Command-Tab between apps, Command-` between windows of one app, Mission Control, App Exposé and Stage Manager.

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