Put several PDFs together into a single document, in the order you choose. Free, and your files aren't uploaded to any server.
No sign-up and nothing uploaded to a server: everything happens in your browser. See for yourself.
We don't set any limits; it depends on your device's memory. For very large documents, it's better to use a computer.
No. Pages are copied as they are, without recompressing. The original's bookmarks (table of contents) and some form fields may not be preserved.
You first need to remove their passwords using the program they were protected with.
Merging PDFs is useful for putting contracts, invoices, receipts or chapters into a single document that's easy to send or print. The final order is the one you see in the list.
Everything happens in your browser, so there are no waiting queues or upload times. Password-protected PDFs must be unlocked before merging them.