STAMP

Add a watermark to a PDF

Mark a document as a draft, confidential, or sample by stamping your own text across every page. Adjust the opacity and size until it's visible without overwhelming the page underneath. Select several files to stamp them all at once.

Drop files here, or click to browse

You can select several files · PDF only

Processed entirely on your device — this file is never uploaded anywhere.

Why use this

Stamp text across every page in one pass, with control over size, angle, opacity, and position.
Preview exactly how the watermark will look before it's applied to the real document.
Select several files at once to stamp them all with the same watermark in a single pass.

How it works

Open your PDF
The document loads with a live watermark preview on the page.
Enter your watermark text
Set the text, size, angle, and opacity to how you want it to appear.
Apply and download
The watermark applies to every page, and the finished file downloads immediately.

Common uses

Marking a document "DRAFT" before sharing it for review.
Adding a "CONFIDENTIAL" stamp before sending a sensitive file externally.
Watermarking a portfolio PDF with your name before sharing it publicly.

Common questions

Can I control how visible the watermark is?

Yes — adjust the opacity and size until it's noticeable without making the page underneath hard to read.

Does the watermark appear on every page?

Yes, it's stamped across every page of the document, not just the first.

Add a watermark to a PDF

Why use this

How it works

Common uses

Common questions

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