Is merging PDFs free?

Yes, completely free with no page or file limits.

Can I reorder the files before merging?

Yes. Drag and drop to reorder your PDFs before downloading.

100% Client-side

No. Merging happens entirely in your browser with pdf-lib. Files never leave your device.

No limit. Merge as many files as you need.

Combine multiple PDF files into a single document. Drag to reorder, everything runs in your browser.

or drop them here

Add as many files and pages as you want

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1. Upload PDFs

Select multiple PDF files from your device.

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2. Reorder

Drag or use arrows to set the page order.

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3. Download

Click Merge and download your combined PDF.

Are my PDFs uploaded to a server?

No. Everything runs in your browser. Your files never leave your device.

How many PDFs can I merge?

No limit, add as many PDFs as you need.

Will the merged PDF lose quality?

No quality loss. pdf-lib copies pages exactly as they are.

Can I merge password-protected PDFs?

Currently, only unprotected PDFs are supported. Unlock your PDF first using our Unlock PDF tool.