IrfanView

IrfanView (which takes its name from its creator, Irfan Skiljan) is the wise old app of image viewers. In its 13-year lifespan it’s remained one of the most useful things you can put on your PC. It’s an excellent image viewer, but it’s capable of much more than that.
You can browse through your images quickly, or watch them as a slideshow. IrfanView also includes a feature-packed photo editor, a batch file converter, and a scanner interface. If that's not enough, it's also expa