Merge PDF

Combine multiple PDF files into one document

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Drop your files here or

Accepted: .pdf · Files stay in your browser

Free · No signup · No watermarks · Files never leave your browser

How to use Merge PDF

Upload your file using the drop zone above.
Adjust any options for the merge pdf task.
Click Process and download your result instantly.

Why use PDFzelo Merge PDF?

Combine multiple PDF files into one document. PDFzelo processes everything locally in your browser — no uploads, no waiting rooms, no accounts. It works on Windows, Mac, Linux, Chromebook, Android and iPhone.

Frequently asked questions

How do I merge PDF files?

Upload two or more PDF files, arrange them in your preferred order, then click Merge. Your combined PDF downloads instantly.

Is there a limit on files?

You can merge up to 100 PDF files at once, completely free with no signup.

Will my files be uploaded?

No. All processing happens in your browser. Your files never leave your device.

Can I reorder pages before merging?

Yes. Drag and drop the file cards to arrange them in any order before merging.