Merge PDF — Free Online PDF Tool

Combine several PDF files into one, in the exact order you choose. Free, no sign-up, no watermark — files are auto-deleted afterwards.

How to merge pdf

  1. Open the Merge PDF tool and add your file — drag & drop or click to browse.
  2. Your PDFs are combined into a single file, in the order you selected.
  3. Download your result instantly — nothing is stored.

Frequently asked questions

Can I choose the order of the files?

Yes — PDFs are merged in the order you add them, so arrange them before merging.

Is it free?

Yes — every Genius tool is completely free, with no account, no watermark and no daily limits.

Are my files safe?

Files are sent over a secure HTTPS connection, processed, and automatically deleted right afterwards. Nothing is stored or shared.

Do I need to install anything?

No — it runs in your browser with no sign-up or software, and works on both phone and desktop.

Part of Genius Tools — a free suite of PDF, image and AI document tools.