JxrEncApp(1) on Linux
The text 8be6f473d632, as Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie) shipped it.
JPEG XR Encoder Utility
Flags it lists
-
-b -
-c -
-f -
-i -
-l -
-o -
-p -
-q -
-t -
-v