gd: gd (Graphics Library) gd: gd: GD is an code library for the dynamic creation of images. gd: GD is commonly used to generate charts, graphics, thumbnails, and most gd: anything else, on the fly. While not restricted to use on the web, gd: the most common applications of GD involve web site development. gd: gd: gd: gd: gd lives at http://www.boutell.com/gd/ gd: