xwdtopnm
Convert an X11 or X10 window dump file to PNM. More information: https://netpbm.sourceforge.net/doc/xwdtopnm.html.
- Convert a XWD image file to PBM:
xwdtopnm path/to/input_file.xwd > path/to/output_file.pnm
- Display information about the conversion process:
xwdtopnm -verbose path/to/input_file.xwd > path/to/output_file.pnm
- Display the contents of the X11 header of the input file:
xwdtopnm -headerdump path/to/input_file.xwd > path/to/output_file.pnm