Can I control the order of the merged pages?

Yes — the files are combined in the order you select them. Reselect the files in your preferred order if you need to change it.

Does this tool upload my PDFs anywhere?

No — merging happens entirely in your browser with the pdf-lib library, files are never sent to a server.

Combine multiple PDF files into one, in the order you choose.

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Choose PDF files (2 or more, in order)

Files never leave your device — PDF processing runs entirely in your browser.

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Can I control the order of the merged pages?: Yes — the files are combined in the order you select them. Reselect the files in your preferred order if you need to change it.
Does this tool upload my PDFs anywhere?: No — merging happens entirely in your browser with the pdf-lib library, files are never sent to a server.