Watermark PDF

Add a text watermark across every page of your PDF, with control over opacity, size, rotation, and color. Runs in-browser.

On your device

Drop a PDF here

or browse files

Frequently asked questions

How do I add a text watermark to a PDF?

Open Watermark PDF, pick the file, set the text, size, opacity, rotation, and colour, then download. Stamping runs in your browser.

Can I add an image watermark?

Not yet. The current tool stamps text only.

Insert page numbers.

Change title, author and more.

Make form fields uneditable.

We read every message. Optional: add an email if you want a reply. Do not send files or passwords.