How to boot Mac in safe modeHow to boot a Mac in safe mode on Apple silicon and Intel, how to tell it worked, what safe mode does and how to leave it.
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 uninstall apps on Mac completelyThree ways to delete an app on a Mac, where its leftovers stay, how to remove them by hand and what to do when an app won’t delete.
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.
How to delete Time Machine backups on MacHow to delete Time Machine backups and local snapshots on Mac, and why macOS usually frees that space by itself.
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.
How to clear Composer cache on MacHow to clear Composer cache on a Mac with composer clear-cache, where the cache lives, and how to free the space taken by vendor folders of old PHP projects.
How to show hidden files on MacHow to show hidden files on Mac with Command-Shift-Period in Finder, open the hidden Library folder, list hidden files in Terminal, and what not to touch.
Where iPhone backups are stored on Mac and how to delete themWhere iPhone backups are stored on Mac, how to see what they take and how to delete old iPhone and iPad backups safely in Finder.
How to back up a MacHow to back up a Mac with Time Machine to an external drive, why iCloud Drive is not a backup, and how to restore with Migration Assistant.
How to find Wi-Fi password on MacHow to find a Wi-Fi password on Mac in the Passwords app or Wi-Fi settings, share it with a QR code, and where to look on macOS Sonoma.
How to right click on MacHow to right click on Mac: Control-click, a two-finger click on a MacBook trackpad, the right side of a Magic Mouse, or any two-button mouse.
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 clear Discord cache on MacDiscord has no clear cache button on Mac. Here’s how to clear Discord cache by hand: quit it and delete three folders. Messages and servers stay.
How to change default browser on MacHow to change default browser on Mac in System Settings or from the browser itself, how to switch back to Safari, and where the default email app is set.
yarn cache clean: how to clear Yarn cache on MacHow to clear Yarn cache on a Mac: yarn cache clean in Yarn 1 (Classic), --all and --mirror in Yarn 2 and later, and where each version keeps it.
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.
How to clear VS Code cache on MacHow to clear VS Code cache on a Mac: which folders are cache, which hold your settings, extensions and unsaved files, and how to delete the cache safely.
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 block websites on MacHow to block websites on Mac with Screen Time: limit adult sites, block a list of addresses or allow only chosen sites, and lock it with a passcode.
How to clear Xcode cache on MacHow to clear Xcode cache on a Mac: delete DerivedData, clean the build folder, remove old simulators, runtimes and device support files.
How to delete conda environments on MacHow to delete conda environments on a Mac with conda remove or Anaconda Navigator, export them first, and clear the package cache with conda clean.
How to clear Safari cache on MacHow to clear Safari cache on Mac without losing history, passwords or sign-ins, how to remove one site’s data, and what each option deletes.
How to clear cache on MacWhat cache is, whether it’s safe to delete, and how to clear app, browser, system and developer caches on a Mac by hand.

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