Merge PDF

Combine several PDFs into a single document. Add your files, drag them into the order you want, and export one merged PDF — all locally in your browser.

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Your files are processed in your browser and never leave your device.

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How it works

  1. Upload two or more PDF files.
  2. Reorder them into the sequence you want.
  3. Click Merge PDF.
  4. Download your combined document.

Frequently asked questions

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

There's no server limit. Practical limits depend on your device's memory and the total file size.

Are my PDFs uploaded?

No. Merging is done locally with pdf-lib. Your documents never leave your device.