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📋 Click or drop a PDF file here Your file never leaves your browser
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Stamp PDF
Choose a stamp then click any page to place it
PDF File
📄
Click or drop PDF here
Any PDF — processed locally
Stamp Type
Color
Opacity
70%
👆 Click a stamp below, then click on a page
Stamp Size
22%
Ctrl+Z undo · Del remove stamp · Esc cancel
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What does stamping a PDF mean?

Stamping a PDF means placing a mark — such as 'Approved', 'Paid', 'Received', a date, or your own logo — onto a page, just like a physical rubber stamp on paper. A stamp signals an action or status on a document and gives it an official, finished look, without altering the underlying text.

With Doctor PDF you add your stamp, position it anywhere on the page, resize it, and apply it to one page or every page, then download the stamped PDF.

When do you need to stamp a PDF?

How Doctor PDF stamps your files privately

Stamping happens entirely inside your browser. Your PDF is never uploaded, so your documents stay completely on your own device.

Because nothing is sent to a server, stamping is instant, works on any number of pages, and has no daily limits.

Why is Doctor PDF better than iLovePDF and Smallpdf?

Tired of ads, file limits, and uploading your documents to a stranger's server? Doctor PDF is built differently:

No annoying ads — ever
No daily limits — Smallpdf allows only 2 tasks/day, Sejda 3 per hour
100% private — competitors upload your files to their servers; Doctor PDF never does
Completely free — no watermarks, no sign-up, no hidden charges
Instant — runs right in your browser

How to add a stamp to a PDF online

  1. Open the Stamp PDF tool and drop your PDF into the page.
  2. Choose a built-in stamp or upload your own, then place it on the page.
  3. Drag and resize the stamp, and add it to more pages if needed.
  4. Download your stamped PDF instantly — all in your browser.

Frequently asked questions

Is stamping a PDF free?

Yes. Doctor PDF adds stamps 100% free with no limits, watermarks, or sign-up.

Can I upload my own stamp?

Yes. Use a built-in stamp or upload your own image as a custom stamp.

Can I stamp every page?

Yes. Place the stamp on any page and reuse it across the whole document.

Are my files private?

Yes. Everything runs locally in your browser — your files are never uploaded to any server.

Does it work on mobile?

Yes, on any modern browser — phone, tablet, or computer.