How to check RAM on Mac and free it upHow to check RAM on Mac in About This Mac and Activity Monitor, read memory pressure and swap, and what clearing RAM on a Mac really means.
How to undo on Mac: Command-Z and redoHow to undo on Mac with Command-Z or Edit › Undo, redo with Shift-Command-Z, undo a file move or delete in Finder, and go back to an earlier version.
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.
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.
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.
How to AirDrop from iPhone to MacHow to AirDrop from iPhone to Mac: let the Mac be found, send from the Share menu, where the files land, and what to do when the Mac doesn’t appear.
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.
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.
brew cleanup: How to clear Homebrew cache on MacHow brew cleanup clears Homebrew cache on a Mac, how to delete the whole download cache and remove dependencies you no longer need.
How to delete Pods and clear CocoaPods cache on MacHow to delete the Pods folder, clear CocoaPods cache with pod cache clean --all and remove the old master spec repo on a Mac without breaking your project.
How to free up space on MacHow to free up space on Mac and clear storage: see what fills the disk, turn on Apple’s recommendations, then delete downloads, backups and caches.
How to clear Teams cache on MacClear the Microsoft Teams cache on a Mac the way Microsoft documents it: quit Teams, delete two folders, restart. When it helps and what stays.
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.
How to uninstall Python on Mac completelyHow to uninstall Python on a Mac: from python.org, Homebrew or pyenv, what to keep (Apple’s own python3) and how to check it’s gone.
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.
Mac stuck on Apple logo: how to fix itMac stuck on the Apple logo? Wait out an update, restart, try safe mode, repair the disk with First Aid in Recovery or reinstall macOS without erasing.
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.
How to stop apps from opening on startup on MacHow to stop apps from opening on startup on a Mac: remove login items, turn off background items and stop windows from reopening.
How to clear Go cache on Mac: go clean -cache and -modcacheHow to clear the Go build cache and module cache on a Mac with go clean -cache, -modcache and -testcache, and why rm -rf fails on ~/go/pkg/mod.
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.
cargo clean: how to clear the Cargo cache on MacWhat cargo clean deletes, how to clear the Cargo cache in ~/.cargo on a Mac, and how to free the space taken by target folders of old Rust projects.
How to open Terminal on Mac and use itHow to open Terminal on Mac with Spotlight or Finder, open it at a folder, run the first safe commands and stop a command with Control-C.
How to clear history on MacHow to clear history on Mac in Safari, Chrome and Firefox, for the last hour or all time, and what else disappears, including on your iPhone.
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.

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