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PDF or PNG as background in new created PDF

PDF or PNG as background in new created PDF

How to use a PDF or PNG as a background in a generated PDF.

Overview

The issue arises from needing to merge form fields onto an existing PDF or PNG background, which CF cannot directly update.
Create the desired layout using HTML and CSS, then insert that code into the TCPDF action content to position fields and set the background in the new PDF.

Answered
ChronoForms v8
we webmaster-bogen 31 Jan, 2026

Hello,

I want to create a PDF which merges the form fields into a existing PDF or a PNG background.

How can this be achieved? 

Additionally I would like to move the form fields to certain positions. Is there a way to do that?

Thanks a lot!

Max_admin Max_admin 02 Feb, 2026
Answer

Hi webmaster-bogen

You can NOT update an existing PDF, but you can position fields or use a background using HTML and CSS, just create your desired layout in HTML/CSS then paste the code in the TCPDF action content to get the same layout in your PDF

Max, ChronoForms developer
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