customizing pdf into small or medium invoice

hello every one i need help to customize invoice pdf in to small or medium size , because my client are complaining about my invoice is to big
, i try to use many pdf standard but it not okay ,please help Dolibarr vision 8.0.3

Why is this a “bug on a development version”?

You need to make a new invoice template. There is lots of information already available for that.

yes indeed but i don,t know how to do the and which module needs to work please help

https://wiki.dolibarr.org/index.php/Create_a_PDF_document_template