# pbmtoppa > Convert a PBM image to HP Printer Performance Architecture format. > More information: . - Convert a PBM image into a PPA file: `pbmtoppa {{path/to/image.pbm}} > {{path/to/output.ppa}}` - Specify the desired dots-per-inch and paper size: `pbmtoppa -d {{300}} -s {{a4}} {{path/to/image.pbm}} > {{path/to/output.ppa}}`