Install xli by entering the following commands in the terminal:
sudo apt update sudo apt install xli
Description:
command line tool for viewing images in X11
xli can view the following image types under X11: FBM Image, Sun Rasterfile, CMU WM Raster, Portable Bit Map (PBM, PGM, PPM), Portable Network Graphics (PNG), Faces Project, GIF Image, JFIF style jpeg Image, Utah RLE Image, Windows, OS/2 RLE Image, Photograph on CD Image, X Window Dump, Targa Image, McIDAS areafile, G3 FAX Image, PC Paintbrush Image, GEM Bit Image, MacPaint Image, X Pixmap, X Bitmap.
Homepage: http://pantransit.reptiles.org/prog/
Version: 1.17.0+20061110-5
Section: universe/graphics