# pnmtops > Convert a PNM image to a PostScript file. > More information: . - Convert a PNM image to a PS file: `pnmtops {{path/to/file.pnm}} > {{path/to/file.ps}}` - Specify the dimensions of the output image in inches: `pnmtops -imagewidth {{imagewidth}} -imageheight {{imageheight}} {{path/to/file.pnm}} > {{path/to/file.ps}}` - Specify the dimensions of the page the output image resides on in inches: `pnmtops -width {{width}} -height {{height}} {{path/to/file.pnm}} > {{path/to/file.ps}}`