Watermark PDF
Stamp text across every page.
About Watermark PDF
Add a text watermark across every PDF page — for example Confidential, Draft, or your brand name. Set the stamp, preview, and download.
Free online watermarking that keeps your document private in the browser.
Frequently asked questions
Is Watermark PDF free?
Yes. Watermark PDF on Luma is free to use with no signup required.
Are my files uploaded when I use Watermark PDF?
No. Processing happens locally in your browser. Files are not uploaded to a server.
How do I use Watermark PDF?
Stamp text across every page. Open the tool, add your file, adjust options if needed, then download the result.