PDF/A
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);
NuGet Download
PM > Install-Package IronPdf
PDF/A

PDF/A

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Nuget Downloads 21,916,531版本:2026.11刚刚发布