MacBook wallpaper size: the right resolution for every model
The native wallpaper resolution for every current MacBook Air, MacBook Pro, iMac and Studio Display, and why the notch changes what fits at the top.
iPhone wallpaper size: the resolution for every current model
The exact wallpaper resolution for every iPhone from SE to 18 Pro Max, how to find your model, and where to keep text clear of the lock-screen clock.
Mac wallpaper not changing with dark mode? Five reasons and fixes
Your Mac switches to dark mode but the wallpaper stays bright. Here are the five most common causes, from the wrong file type to a missing setting.
How to make a light and dark wallpaper for Mac
What makes a Mac wallpaper switch with dark mode, what is inside the HEIC file, and three ways to make your own: a free web tool, a Mac app or the command line.
iPhone lock screen wallpaper: how to keep the clock clear
Where the clock, widgets, notifications and buttons sit on the iPhone lock screen, and how to place text and details so nothing important ends up hidden.
Choosing colors for a light and dark wallpaper that belong together
How to pick a light and a dark color pair that feel like one wallpaper, with five simple rules and ready-made combinations to start from.