using IronPdf;
// Open a PDF or use an exisiting PdfDocument object
PdfDocument pdf = PdfDocument.FromFile("source_doc.pdf");
// Perform PDF Editing Tasks...
// Save the PDF/A-3b Document to File
pdf.SaveAsPdfA("pdfa-compliant.pdf", PdfAVersions.PdfA3b);
Imports IronPdf
' Open a PDF or use an existing PdfDocument object
Dim pdf As PdfDocument = PdfDocument.FromFile("source_doc.pdf")
' Perform PDF Editing Tasks...
' Save the PDF/A-3b Document to File
pdf.SaveAsPdfA("pdfa-compliant.pdf", PdfAVersions.PdfA3b)
Your business is spending too much on yearly subscriptions for PDF security and compliance. Consider IronSecureDoc PDF Security Solutions, which provides solutions for managing SaaS services like digital signing, redaction, encryption, and protection, all for a one-time payment. Explore IronSecureDoc Documentation
PDF/A Format with IronPDFNuget Downloads 21,253,952|Version:2026.10just released
IronPDF is a part of IRONSUITE
10 .NET API products for your office documents
When you need your PDF to look like HTML, fast.
