Due to the large amount of image formats that exist, it's necessary to have a viewer that is compatible with as many formats as possible, and when you work with the GNOME desktop environment the best option available is Eye of GNOME.
View all your images
Eye of GNOME (also known as EoG) is developed by the programers that form part of the GNOME Project and therefore it is the official image viewer for that Linux desktop environment.
One of the most noteworthy things of Eye of GNOME is that large amount of formats with which it is compatible, allowing the users to enjoy the most common image formats like:
As well as others that are less known like:
Eye of GNOME doesn't focus all its potential on showing the images, because it also offers us the possibility to store any image that it opens as BMP, ICO, JPEG or PNG.
Therefore, if you want to enjoy the best images on your GNOME desktop environment, you only have to download Eye of GNOME for free.