Need to send three contracts as one file, or staple a cover letter to a report? Merging PDFs is one of the most common document jobs there is — and you shouldn't need to install software or create an account to do it.
That's it. The merge happens on our servers in about two seconds, the combined file keeps the original quality of every page, and there is no watermark anywhere.
Most online mergers are free until the moment you click download: suddenly there's a paywall, a forced signup, or a watermark stamped across your document. PDFHub doesn't do any of that — every tool on the site is genuinely free, with no account needed.
Your files are processed over an encrypted HTTPS connection and deleted automatically after 24 hours. Nobody reads them, nothing is kept. If your documents are extremely sensitive, you can also password-protect the merged PDF before sharing it.
Can I control the page order? Yes — files are merged in the order you add them.
Is there a file limit? You can merge up to 20 PDFs at once, up to 50 MB each.
Will the quality drop? No. Merging copies the original pages untouched. If the result is too large to email, run it through Compress PDF afterwards.
Can I merge scanned documents? Absolutely — and if you want the scanned text to be searchable, use OCR PDF on the result.
No signup, no watermark, files deleted after 24h.