is there a MacPorts port that converts ppm files to png format?

[Richard L. Hamilton]

netpbm port contains pnmtopng, a command line tool.


> On Jun 20, 2024, at 21:44, Kenneth Wolcott <kennethwolcott at gmail.com> wrote:
> 
> Hi;
> 
> is there a MacPorts port that converts ppm files to png format?
> 
> If not, is there an open source tool that does this?
> 
> Is there a free MacOS tool that does this?
> 
> I don't want to use an on-line tool and I don't want to pay for such a tool.
> 
> Thanks,
> Ken Wolcott
>