Plenty of third-party launchers make it possible to change icon sizes, grid layouts, and more. We recommend a few launchers for those who want more control over their icons (and UI, overall).

One of my favorites is macOSicons.com, which lists over 25,000 alternative icons, meaning you should be able to find multiple options for popular apps with ease. macOS allows you to change an app ...

If you want to look through an SD card of pictures, however, you'll want big icons to see what each picture looks like. In either case, you'll probably want to change the size of your icons ...