PDF Merger

Merge PDF files online for free — combine multiple PDFs into one document in your chosen order. Runs in your browser, nothing uploaded.

Drag & drop PDF files here, or click to choose

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How to use

Select multiple PDF files (in any order), reorder them with the up/down arrows if needed, then click Merge and download merged.pdf.

Is the PDF merger free?

Yes, free with no limits, watermarks or signup.

Are my PDFs uploaded?

No. Merging happens locally in your browser using pdf-lib — your files never leave your device.

Can I reorder the PDFs?

Yes. The list below the upload lets you move files up or down, or remove one before merging.

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Every tool runs 100% in your browser — no uploads, no signups. If a tool saved you time, consider supporting us with a small donation.