- Home
- Testimonials
- Purchase
- Developer Tools
- Desktop Utilities
- Download
- Support
- Blog
- Company
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)


// 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");
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)
Filed in:
PDF SDK for .NET
Tutorials:


