QUESTIONS OR COMMENTS ABOUT PRODUCTS? WRITE US AT SUPPORT@BYTESCOUT.COM OR USE THIS FORM

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

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)

Tutorials: