# pnmtoddif

> Convert a PNM image to a DDIF image file.
> More information: <https://netpbm.sourceforge.net/doc/pnmtoddif.html>.

- Convert a PNM image to a DDIF image file:

`pnmtoddif {{path/to/image.pnm}} > {{path/to/image.ddif}}`

- Explicitly specify the horizontal and vertical resolution of the output image:

`pnmtoddif -resolution {{horizontal_dpi}} {{vertical_dpi}} {{path/to/image.pnm}} > {{path/to/image.ddif}}`