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Overlay PDFs

Place a PDF letterhead, stamp or template over another PDF with page mapping, position, scale and opacity controls.

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About the Overlay PDFs

Overlay PDFs places pages from a second PDF above every page of a base document. It is useful for letterheads, stationery, stamps, frames and reusable document templates.

Both layers remain PDF content rather than screenshots. You can repeat the first overlay page or match page numbers, then control its position, scale, margin and opacity.

Key features

  • Vector-preserving PDF composition
  • Repeat or page-number mapping
  • Nine anchor positions with edge margin
  • Live scale and opacity preview

How to use

  1. 1Choose the base document and the PDF used as the overlay.
  2. 2Set page mapping, position, scale, opacity and margin while checking the preview.
  3. 3Overlay the files and download the new PDF.

Examples

Add company letterhead
Input: A 12-page report plus a one-page letterhead PDF
Output: A 12-page report with the letterhead repeated on every page

Use full scale, centered position and 100% opacity for transparent letterhead artwork.

Frequently asked questions

Which PDF determines the output page size?
Every output page keeps the dimensions of its corresponding base PDF page.
What happens when page counts differ?
Repeat mode uses overlay page 1 everywhere. Match mode pairs page numbers and repeats the final overlay page when the base is longer.
Does overlaying reduce quality?
No. Both source pages are embedded as PDF content, preserving vector text and graphics.

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