Merge PDF

Updated:

Juggling separate PDFs that really belong in one file? This free Merge PDF tool joins them. Upload your files, set the order, and download a single combined PDF. Useful for tidy documents:

  • Combine invoices into one statement
  • Join chapters into a single document
  • Bundle scans into one submission
  • Merge a cover page onto a report

A Quick Word on IronPDF

IronPDF is the C# PDF library trusted by thousands of .NET developers in production. It combines any number of PDFs into one ordered document from code, perfect for batch report assembly.

using IronPdf;
var a = PdfDocument.FromFile("part1.pdf");
var b = PdfDocument.FromFile("part2.pdf");
PdfDocument merged = PdfDocument.Merge(a, b);
merged.SaveAs("combined.pdf");
using IronPdf;
var a = PdfDocument.FromFile("part1.pdf");
var b = PdfDocument.FromFile("part2.pdf");
PdfDocument merged = PdfDocument.Merge(a, b);
merged.SaveAs("combined.pdf");
Imports IronPdf

Dim a = PdfDocument.FromFile("part1.pdf")
Dim b = PdfDocument.FromFile("part2.pdf")
Dim merged As PdfDocument = PdfDocument.Merge(a, b)
merged.SaveAs("combined.pdf")
$vbLabelText   $csharpLabel

See it in C#: Merge & split PDFs

Free and Built for Everyday Use

This tool is completely free and made for quick, practical use, no signup, no limits, no catch. Built with love by IronPDF.

Need More Than PDFs?

When the project grows beyond PDF work, the Iron Suite bundles ten .NET libraries into a single license: IronOCR for reading text from images in 125 languages, IronBarcode for generating and scanning codes, plus IronXL, IronWord, IronPPT, and more. Start your 30-day Iron Suite trial key today, no credit card required.