Stamp a PDF

Place a stamp or signature image on a PDF page.

Input example

Source PDF: transaction.pdf · 1 page
Stamp PNG: Alex Kim.png
Position: Bottom right · 24%

Result example

Generated stamped PDF — Transaction PDF · stamp area

How to use

How it works

Choose one unencrypted PDF and one PNG or JPEG stamp.
Choose a page and adjust position, size, and opacity.
Apply to the current or all pages and save a new PDF.

Supported formats

PDF
PNG
JPEG

Good to know

One PDF up to 25MiB and 200 pages; the image is up to 20MiB and 25 million pixels.
The source PDF is never changed.
Inputs and results stay in the browser; optional drafts remain on this device for 30 days.

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