How to sign PDF document using Bytescout.PDF library for .NET applications

Bytescout.PDF library for .NET

For HTML2PDF and XML2PDF solution check our PDFDoc Scout ActiveX library instead

Digitally signing PDF using Bytescout.PDF library for .NET

In this example Bytescout.PDF library for .NET signs existing PDF document (HelloWorld.pdf) and saves as "Signed.pdf" document file.

Download example source code: bytescoutpdf_example_sign_pdf_document.zip (10 KB)

Existing PDF document which we take as an example

Existing PDF document signed with PFX digital signature using Bytescout.PDF library for .NET

            // Create main PDF Doc Engine
            PDFDocEngine engine = new PDFDocEngine("", "");

            // Open existing document
            Document document = engine.AddDocument("HelloWorld.pdf");

            document.AddSignature("dig-signature.pfx", "John Doe", "Approved", false, "123456");

            // Save document
            document.Save("signed.pdf");

Download example source code: bytescoutpdf_example_sign_pdf_document.zip (10 KB)

For HTML2PDF and XML2PDF solution check our PDFDoc Scout ActiveX library instead

"Hello, World!" quick start step-by-step tutorials:

Advanced Examples:

"Hello, World!" quick start step-by-step tutorials:

Advanced Examples: