# zeisstopnm > Convert a Zeiss confocal file to Netbpm format. > More information: . - Convert a Zeiss cofocal file into either `.pgm` or `.ppm` format: `zeisstopnm {{path/to/file}}` - Convert a Zeiss cofocal file to Netbpm format while explicitly specifying the target file type: `zeisstopnm -{{pgm|ppm}} {{path/to/file}}`