# `multibackground` Use multiple pages as backgrounds ## Usage > pdftl `` `multibackground` `` `[...]` `[layer_name` `]` `output` `` ## Details Underlay pages from the background PDF behind the corresponding pages in the input PDF: page 1 is placed behind page 1 of the input, etc. If no page specs are given, the operation applies to all pages. Page specs use the same syntax as `rotate` and `cat` — see `pdftl help page_specs`. Note: If the overlay/background PDF contains its own internal layers (OCGs), they will be flattened and merged into the page content. Individual toggleability of the source's internal layers is not preserved. ## Examples > Multi-page background ``` pdftl in.pdf multibackground bgs.pdf output out.pdf ``` > Apply multi-page background to pages 1, 3, and 5 only ``` pdftl in.pdf multibackground bgs.pdf 1,3,5 output out.pdf ``` **Tags**: in_place, overlay, layer *Source: pdftl.operations.overlay* *Read online: [https://pdftl.readthedocs.io/en/stable/operations/multibackground.html](https://pdftl.readthedocs.io/en/stable/operations/multibackground.html)* *Type: Operation*