Xviewer is described as 'Simple image viewer which uses the gdk-pixbuf library. It can deal with large images, and zoom and scroll with constant memory usage. Its goals are simplicity and standards compliance. Xviewer is installed by default in Linux Mint' and is a Image Viewer in the photos & graphics category. There are more than 50 alternatives to Xviewer for a variety of platforms, including Windows, Linux, Mac, Flathub and Xfce apps. The best Xviewer alternative is IrfanView. It's not free, so if you're looking for a free alternative, you could try IrfanView or XnView MP. Other great apps like Xviewer are nomacs, FastStone Image Viewer, XnView Classic and qView.