Example of Watermark PDF in ASP.NET Core PDF Library

This sample demonstrates how to stamp an existing PDF document using text. The Essential PDF supports both stamp or watermark with text and images in the PDF document.

DEMO

SOURCE

Click the button to view a PDF document generated by Essential PDF. Please note that Adobe Reader or its equivalent is required to view the resultant document.

Stamping Text:

Set Transparency:

Image watermark

This feature can be used to stamp the PDF document for draft, confidential, review purpose only, company logo, copyright notice and more. More information about the stamp or watermark can be found in this documentation section.