pdftoppm(1) on Linux
The text 38afe642c6ab, as Debian 5.0 (Lenny), Debian 3.1 (Sarge) shipped it.
Portable Document Format (PDF) to Portable Pixmap (PPM) converter (version 3.00)
Flags it lists
-
-gray -
-h -
-mono -
-q -
-v