The tech support is by far the best I have ever worked within 27 years of development. Questions are answered quickly and program fixes are created and are made available.
100% .NET SDK that adds functionality to
Why Choose ByteScout Watermarking SDK?
If you prefer not to use commercial software, then check the tutorial to learn how to add a simple text watermark using .NET built-in classes only (VB, C#, ASP.NET)[socialpug_share]