What a nice application I’ve just found on MacThemes forums. It’s called Hobiconer and it’s a free app by Jérémy Marchand that lets you create, import and export icon in many formats: .icns (Apple ...

However, there are times when it is actually practical to change the appearance of the icons — for example, when it comes to your own folders and shortcuts. If you have a lot of icons, it can be ...

To follow along, select any image in Photos. Now, in the File > Export menu, you see two options: Export 1 Photo and Export Unmodified Original for 1 Photo.