Watermarking
IronPDF provides methods to 'watermark' PDF documents with HTML. Watermarks may be set to render above or below existing content, and have built in capacity for opacity, rotation and hyperlinks.
// Install IronPdf with Nuget: PM> Install-Package IronPdf
using IronPdf;
// Stamps a watermark onto a new or existing PDF
IronPdf.HtmlToPdf Renderer = new IronPdf.HtmlToPdf();
var pdf = Renderer.RenderUrlAsPdf("https://www.nuget.org/packages/IronPdf");
pdf.WatermarkAllPages("<h2 style='color:red'>SAMPLE</h2>", PdfDocument.WaterMarkLocation.MiddleCenter, 50, -45, "https://www.nuget.org/packages/IronPdf");
pdf.SaveAs(@"C:\Path\To\Watermarked.pdf");' Install IronPdf with Nuget: PM> Install-Package IronPdf
Imports IronPdf
' Stamps a watermark onto a new or existing PDF
Private Renderer As New IronPdf.HtmlToPdf()
Private pdf = Renderer.RenderUrlAsPdf("https://www.nuget.org/packages/IronPdf")
pdf.WatermarkAllPages("<h2 style='color:red'>SAMPLE</h2>", PdfDocument.WaterMarkLocation.MiddleCenter, 50, -45, "https://www.nuget.org/packages/IronPdf")
pdf.SaveAs("C:\Path\To\Watermarked.pdf")
