How to reset SMC and NVRAM on MacHow to reset SMC on Mac with Apple silicon, Intel with T2 and older Intel, and how to reset NVRAM (PRAM) on an Intel Mac, with Apple’s exact keys.
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.
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 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 clear Hugging Face cache on MacHow to clear Hugging Face cache on a Mac: find where models are stored, see what takes space with hf cache ls and delete with hf cache rm.
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.
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.
Mac not turning on: what to doMac not turning on? Check the power and the display, force a restart, reset the SMC on Intel, revive the firmware, and know when to contact Apple.
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 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 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.
How to clear Gradle cache on MacHow to clear Gradle cache on a Mac: what ./gradlew clean really deletes, how to stop the daemon and empty ~/.gradle/caches, and old Gradle versions.
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 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.
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 temporary files on MacWhat temporary files are on a Mac, how to clear them safely (a restart does most of it) and which temp folders you should never delete by hand.
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.
How to split screen on MacHow to split screen on Mac: drag windows to the screen edges, use the green button or Fn-Control shortcuts, or open two apps in Split View.
Disk space analyzer for Mac: see what takes up spaceA disk space analyzer for Mac shows the size of every folder. How to see what fills your disk with MacWashing’s Storage and safely remove what you don’t need.
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.
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 clear Android Studio cache on MacHow to clear Android Studio cache on a Mac with File › Invalidate Caches, delete caches of old versions, and what not to delete: emulators and the SDK.
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 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.

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