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.
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 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 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 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.
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.
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 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 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 install Linux on MacHow to install Linux on Mac: in a virtual machine on any Mac, with Asahi Linux on M1 and M2 Macs, or next to macOS on an Intel Mac.
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 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.
How to find and delete node_modules folders on MacFind every node_modules folder on a Mac with its size, delete the ones you don’t need in Finder, Terminal or npkill, and get them back with npm.
How to change wallpaper on MacHow to change wallpaper on Mac: built-in pictures in System Settings, your own photo or folder, dynamic and aerial wallpapers, several displays.
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.
pnpm store prune: how to clear pnpm cache on MacHow to clear pnpm cache on a Mac with pnpm store prune, where pnpm keeps its store and cache, and what to do with store folders of older pnpm versions.
How to lock screen on MacHow to lock screen on Mac: Control-Command-Q, the Apple menu, Touch ID or a hot corner, and how to make the Mac lock itself when you step away.
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 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 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.
What is System Data on Mac and how to reduce itWhat macOS counts as System Data in Storage settings, why it grows and how to make it smaller safely.
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.
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 delete Ollama models on MacHow to delete Ollama models on a Mac with ollama rm, see which models take space, stop a running model and find where models are stored.

Read next