PDFly

Combine PDF

Join several PDFs into a single document. Drag, reorder, combine — done in seconds, right in your browser.

1

Add your PDFs

Drag & drop up to 20 PDF files, or click to browse your device.

2

Arrange the order

Use the up/down arrows to reorder files, or remove ones you don't need.

3

Merge & download

Hit "Merge PDFs" and download your combined file instantly.

Drag & drop PDF files here
or click to browse — up to 20 files

No files yet — add at least 2 PDFs to merge.

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Frequently asked questions

Is combining the same as merging PDFs?

Yes — combine, join, and merge all mean the same thing: multiple PDF files become one document in the order you choose.

Can I reorder pages before combining?

Absolutely. Drag files into any order before you hit combine, and the final PDF follows that order.

Will combining change my PDF quality?

No. Pages are joined without re-encoding, so text stays sharp and images keep their original quality.

How many PDFs can I combine at once?

Up to 20 files per job, processed locally in your browser.

Are my documents uploaded to a server?

Never. Combining happens 100% on your device — your documents stay private.