pngtopam(1) on Linux
The text 1ed349a61c96, as Debian 13 (Trixie), Debian 12 (Bookworm) shipped it.
convert a PNG image into a Netpbm image
Flags it lists
-
-alpha -
-alphapam -
-background -
-byrow -
-gamma -
-mix -
-orientraw -
-text -
-time -
-verbose