Depending on your operating system, there are built-in features to resize desktop icons. Here is the "proper" way to do it on Windows and macOS using the official interface options.
Right-click any empty space on your desktop, select View , and then choose Small icons . This is the standard method to switch from the default medium size. how to reduce size of desktop icons
They will vanish. To get them back, just follow the steps and re-check the box. Depending on your operating system, there are built-in
This allows you to make the icons any size you want, rather than picking from just three options. Depending on your operating system