Watermark on existing PDF

Question

how to add transparent text on existing  pdf page in c# using Itextsharp

Amit Mohanty · Accepted Answer

Please check the below links
http://www.donnfelker.com/using-itextsharp-to-watermarkwrite-text-to-existing-pdfs/
https://asptipsandtricks.blogspot.com/2017/01/watermark-pdf-in-csharp.html
https://www.aspsnippets.com/questions/202271/Add-Water-mark-image-to-PDF-using-iTextsharp-C-and-VBNet-in-ASPNet/
http://forums.asp.net/t/1647291.aspx?Add+watermark+to+pdf+file+created+at+run+time+using+itextsharp

Jaydeep Patil · Answer

Check the following links that might help you   https://stackoverflow.com/questions/2372041/c-sharp-itextsharp-pdf-creation-with-watermark-on-each-page    https://www.aspsnippets.com/questions/202271/Add-Water-mark-image-to-PDF-using-iTextsharp-C-and-VBNet-in-ASPNet/    Regards, Jaydeep Patil

Leon D · Answer

Aternatively, you can also use Spire.PDF library to add watermarks such as text watermark, multi-line text watermark, image watermark, tiled image watermark to PDF.    https://www.e-iceblue.com/Tutorials/Spire.PDF/Spire.PDF-Program-Guide/PDF-Watermark-Add-Watermark-in-PDF-with-C-VB.NET.html