When choosing a wallpaper for your MacBook, it's crucial to select the right dimensions to ensure a perfect fit. The standard MacBook wallpaper dimensions vary by model: the MacBook Air (13-inch) usually has a resolution of 1440 x 900 pixels, while the MacBook Pro (Retina) models feature 2560 x 1600 pixels for the 13-inch and 2880 x 1800 pixels for the 15-inch. Always consider your screen size to achieve the best visual effect.
