This changes the size of everything on your phone, including icons, text, and buttons.
If you tell me your exact phone model (e.g., Pixel 7, Galaxy S23, iPhone 14), I can give you the precise steps. how to make icons on home screen smaller
If you find the icons take up too much space because of the text underneath them, you can hide the labels to make the screen look cleaner. This changes the size of everything on your
Icon Size Adjustment
Apple doesn't offer a direct "resize icons" setting, but you can make them appear smaller by: how to make icons on home screen smaller
Most Android launchers let you resize icons: