All options can be abbreviated to their shortest unique prefix. You may use two hyphens instead of one. You may separate an option name and its value with white space instead of an equals sign.
This program is part of Netpbm.
qoitopam reads a QOI image from standard input and converts it to a Netpbm image written to standard output.
For the QOI specification and details, see the QOI web site.
Use pamtoqoi to convert a Netpbm image to QOI format.
Input is from Standard Input if you don't specify the input file pnmfile.
The only options are those common to all programs based on libnetpbm (most notably -quiet, see Common Options).
pamtoqoi was new in Netpbm 10.99 (June 2022).