Eye of GNOME

Image Viewer
	Eye of GNOME 3.32
Developer(s)	The GNOME Project
Repository	gitlab.gnome.org/GNOME/eog.git ;
Written in	C (GTK)
Operating system	Unix-like
Platform	GNOME
Type	Image viewer
License	GNU General Public License
Website	wiki.gnome.org/Apps/EyeOfGnome

Eye of GNOME is the official and default image viewer for the GNOME desktop environment, where it is also known as Image Viewer. There is also another official image viewer for GNOME called gThumb that has more advanced features like image organizing and image editing functions.

Eye of GNOME provides basic effects for improved viewing, such as zooming, full-screen, rotation, and transparent image background control. It also has many official plug-ins to extend its features or change its behavior.^[1]

File formats

Eye of GNOME supports the following file formats:

ANI – Animation
BMP – Windows Bitmap
GIF – Graphics Interchange Format
ICO – Windows Icon
JPEG – Joint Photographic Experts Group
PCX – PC Paintbrush
PNG – Portable Network Graphics
PNM – Portable Anymap from the PPM Toolkit
RAS – Sun Raster
SVG – Scalable Vector Graphics
TGA – Truevision Targa
TIFF – Tagged Image File Format
WBMP – Wireless Application Protocol Bitmap Format^[2]
XBM – X BitMap
XPM – X PixMap

Eye of GNOME also supports viewing Exif/XMP metadata associated with an image.

Limitations

Eye of GNOME does not support WebP, DirectDraw Surface (.dds) or JPEG 2000, but gThumb another official GNOME image viewer, does support at least WebP since September 2012.^[3]