pnmtopng
Convert a PNM image file to PNG image format. More information: https://netpbm.sourceforge.net/doc/pnmtopng.html.
- Read a PNM image as input and produce a PNG image as output:
pnmtopng {{path/to/file.pnm}} > {{path/to/file.png}}
- Display version:
pnmtopng -version