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FreemiumPDF / PDF Tools / PDF Watermark

PDF Watermark

Stamp a text watermark — like "CONFIDENTIAL" or "DRAFT" — across every page.

Click to upload or drag & drop a PDF file

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How to use PDF Watermark

  1. Click the upload area and choose your file, or drag and drop it in.
  2. PDF Watermark processes the file directly in your browser using client-side code — nothing is uploaded to a server.
  3. Review the result, then click Download to save it to your device.

Frequently Asked Questions

Is PDF Watermark free to use?

Yes, PDF Watermark is completely free, with no sign-up, watermark, or software install required.

Is my file safe when I use PDF Watermark?

Yes. PDF Watermark runs entirely in your browser using client-side JavaScript, so your file is never uploaded to a server or stored anywhere.

Does PDF Watermark work on mobile?

Yes, PDF Watermark works in any modern browser on desktop, phone, or tablet — no app needed.

Is there a file size limit for PDF Watermark?

PDF Watermark can comfortably handle everyday file sizes. Very large files may take a little longer since all processing happens on your own device.

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