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.
// PM> Install-Package IronPdf
using IronPdf;
// Stamps a watermark onto a new or existing PDF
IronPdf.ChromePdfRenderer Renderer = new IronPdf.ChromePdfRenderer();
var Pdf = Renderer.RenderUrlAsPdf("https://www.nuget.org/packages/IronPdf");
Pdf.WatermarkAllPages("<h2 style='color:red'>SAMPLE</h2>", IronPdf.Editing.WaterMarkLocation.MiddleCenter, 50, -45, "https://www.nuget.org/packages/IronPdf");
Pdf.SaveAs(@"C:\Path\To\Watermarked.pdf");' PM> Install-Package IronPdf
Imports IronPdf
' Stamps a watermark onto a new or existing PDF
Private Renderer As New IronPdf.ChromePdfRenderer()
Private Pdf = Renderer.RenderUrlAsPdf("https://www.nuget.org/packages/IronPdf")
Pdf.WatermarkAllPages("<h2 style='color:red'>SAMPLE</h2>", IronPdf.Editing.WaterMarkLocation.MiddleCenter, 50, -45, "https://www.nuget.org/packages/IronPdf")
Pdf.SaveAs("C:\Path\To\Watermarked.pdf")
