PDF Overlay
Put one PDF on top of, or underneath, the pages of another. Add your letterhead to a plain document, combine a filled-in layer with a form background, or put a template behind every page.
PDF Overlay
Open · Overlay · Download
How to overlay one PDF on another
Open the main PDF
Drop the document that should receive the overlay.
Choose the overlay
Pick the overlay PDF, then choose on top or underneath, how the pages match up, the size and the opacity.
Download
Press Overlay PDF and download.
Why use it
What this free tool does
On top or underneath
Letterhead usually goes underneath; stamps and notes on top.
First page on every page
One letterhead page for the whole document.
Page by page
Overlay page 1 on page 1, page 2 on page 2, and so on.
Repeat in turn
Cycle through the overlay pages.
Fill, fit or actual size
Choose how the overlay is sized on each page.
Opacity
Make the overlay as faint or solid as you like.
Letterhead without retyping
Many companies keep their letterhead as a PDF. Instead of pasting text into a template, write your letter in any app, save it as PDF, and lay the letterhead underneath here. The result looks as if it was written on the letterhead.
Both PDFs stay as vectors, so text from either one stays sharp and selectable.
Tip: Overlay hides the content? Choose Underneath, or lower the opacity.
Your files stay on your device
Most online PDF sites upload your documents to their servers. Aleynray Ai does the work inside your browser instead, on your own computer or phone.
Nothing is sent anywhere, so contracts, bank statements, IDs and medical forms stay private, and there is no waiting for uploads.
- Free, with no sign-up or limits
- No watermark
- Files never leave your device
- Opens password-protected PDFs
- Works on desktop and mobile
Frequently asked questions
How do I add letterhead to a PDF?
Open your document, choose the letterhead PDF as the overlay, set Layer to Underneath and Size to Fill each page.
My overlay has several pages. Which is used?
Choose "First overlay page on every page", "Page by page", or "Repeat the overlay pages in turn".
Does the text stay selectable?
Yes. Both documents stay as text and vector graphics.
Is it free?
Yes. There is no sign-up, no limit on files and no watermark.
Are my files uploaded?
No. The tool runs inside your web browser and works on the file on your own device. Nothing is sent to a server, so private documents stay private.