Eira

Eira is a fantastic fullscreen image viewer software that makes it incredibly easy to browse through your image collection without any hassle. With this software, you can navigate without even having to open your eyes! Eira's clever technology works behind the scenes to help ensure a smooth and distraction-free photo-viewing experience.

That said, Eira does ask users to invest a bit of time in learning a few keystrokes to make the most of its features. However, the payoff is worth it as Eira promises to stay out of your way and to keep its complex workings behind an elegantly simple interface. If you're looking for an easy-to-use image viewer that puts your photo browsing experience first, Eira is definitely a great option to try out.