# pdftoppm > Convert PDF document pages to portable Pixmap (image formats). > More information: . - Specify the range of pages to convert (N-first page, M-last page): `pdftoppm -f {{N}} -l {{M}} {{path/to/file.pdf}} {{image_name_prefix}}` - Convert only the first page of a PDF: `pdftoppm -singlefile {{path/to/file.pdf}} {{image_name_prefix}}` - Generate a monochrome PBM file (instead of a color PPM file): `pdftoppm -mono {{path/to/file.pdf}} {{image_name_prefix}}` - Generate a grayscale PGM file (instead of a color PPM file): `pdftoppm -gray {{path/to/file.pdf}} {{image_name_prefix}}` - Generate a PNG file instead a PPM file: `pdftoppm -png {{path/to/file.pdf}} {{image_name_prefix}}`