# fdp > Render an image of a `force-directed` network graph from a `graphviz` file. > Layouts: `dot`, `neato`, `twopi`, `circo`, `fdp`, `sfdp`, `osage` & `patchwork`. > More information: . - Render a `png` image with a filename based on the input filename and output format (uppercase -O): `fdp -T png -O {{path/to/input.gv}}` - Render a `svg` image with the specified output filename (lowercase -o): `fdp -T svg -o {{path/to/image.svg}} {{path/to/input.gv}}` - Render the output in a specific format: `fdp -T {{ps|pdf|svg|fig|png|gif|jpg|json|dot}} -O {{path/to/input.gv}}` - Render a `gif` image using `stdin` and `stdout`: `echo "{{digraph {this -> that} }}" | fdp -T gif > {{path/to/image.gif}}` - Display help: `fdp -?`