Add Image Watermark to PDF | How to Add Watermark to PDF Documents Using .NET
In this article, you are going to learn how to watermark PDF documents with images using GroupDocs.Watermark Cloud SDK for .NET. A step-by-step guide on how to add, insert, and create watermarks in your PDF files.
Add Text Watermark to PDF in C# | Insert Watermark into PDF using .NET REST API
This article demonstrates how to add a text watermark to PDF files using GroupDocs.Watermark Cloud SDK for .NET. Learn to protect your documents, add stamps, and insert visible text watermarks programmatically or online using the REST API.
