Overlay PDFs
Overlay a stamp PDF on top of every page of a background PDF — perfect for letterheads.
How to use
The Overlay PDFs is a free online tool — no sign-up or download is required. Overlay a stamp PDF on top of every page of a background PDF — perfect for letterheads.
- Choose the background PDF and the overlay (stamp) PDF.
- Pick the overlay opacity.
- Click Overlay PDFs — page 1 of the stamp goes over every background page; matching pages are used when counts match.
Frequently asked questions
What does the Overlay PDFs do?
Free tool: stamp one PDF over another online (letterhead, background form). Runs in your browser.
How do I use the Overlay PDFs?
Open the Overlay PDFs page, upload your file using the form above, adjust the options, then click the main action button to get your result instantly. Download the result when done. No sign-up or installation is needed.
Is the Overlay PDFs free to use?
Yes. The Overlay PDFs is completely free, like every tool on SEO Tools by metacalculator.org. There is no sign-up, no watermark and no hidden limits.
Is my data private when I use the Overlay PDFs?
Yes. This tool runs entirely in your browser, so your input never leaves your device. Nothing is uploaded, stored or shared.