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Merge PDF Files

Combine multiple PDFs into one — reorder & rotate.

Drop PDF files here, or browse

Add two or more PDFs to combine. Everything stays on your device.

Merge PDF files online — free and private

This free merge PDF tool lets you combine multiple PDF files into one document right in your browser. Whether you are joining invoices, scanned pages, reports or eBook chapters, you can merge them in seconds — with no sign-up, no watermark and no uploads to any server.

Why use this PDF merger?

  • 100% private: Your PDFs are processed entirely on your device. Nothing is uploaded, so your documents stay confidential.
  • Reorder & rotate: Drag files into the right order and rotate any PDF before merging.
  • No watermark, no limits: Completely free with unlimited merges.
  • Works everywhere: Runs in any modern browser on desktop or mobile.

How to combine PDF files

  1. Drop your PDF files into the box above (or click to browse).
  2. Reorder them with drag or the arrows, and rotate any file if needed.
  3. Click Merge PDF — your combined file downloads instantly.

Need to build a PDF from photos instead? Try our JPG to PDF converter. Working with code or data? Use the JSON Formatter, or browse all our free online tools.

Frequently Asked Questions

How do I merge PDF files?

Add two or more PDF files, drag them into the order you want, optionally rotate any file, then click Merge PDF. Your combined PDF downloads instantly.

Is this merge PDF tool free?

Yes, it is completely free with no sign-up, no watermark and no file limits.

Are my PDF files uploaded to a server?

No. All merging happens right in your browser using JavaScript — your files never leave your device, so it is completely private and secure.

Can I reorder and rotate pages before merging?

Yes. You can reorder the PDFs by dragging or using the arrows, and rotate any file by 90, 180 or 270 degrees before you merge.

Is there a limit on how many PDFs I can combine?

There is no fixed limit. You can combine as many PDF files as your device's memory can handle, all at once.

Does it work on mobile?

Yes, the PDF merger is fully mobile-friendly and works on any phone, tablet or computer.