Inserting Blank Pages

Sometimes, for instance to get a printing arrangement right, it's useful to be able to insert blank pages into a PDF file. cpdf can add blank pages before a given page or pages, or after. The pages in question are specified by a range in the usual way:

The dimensions of the padded page are derived from the boxes (media box, crop box etc.) of the page after or before which the padding is to be applied.

The -pad-every n operation places a blank page after every n pages, excluding any last one. For example...

...on a 9 page document adds a blank page after pages 3 and 6.

The -pad-multiple n operation adds blank pages so the document has a multiple of n pages. For example: