---
syntax: markdown
tags: [tldr, common]
source: https://github.com/tldr-pages/tldr.git
---
# 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}}`
