Watermark PDF
Add a diagonal text watermark.
Your file never leaves your browser.
How to watermark a PDF
- Open the PDF you want to mark.
- Enter the watermark text and adjust opacity if needed.
- Download the watermarked PDF.
Frequently asked questions
Is this PDF tool free?
Yes. It is completely free. No sign-up, no credit card, and no paid trial.
Does my file leave my browser?
No. Your file never leaves your browser.
Does the watermark appear on every page?
Yes. The same text watermark is applied to each page of the document.
Can I use an image watermark?
This tool adds text watermarks only. Enter the words you want stamped on the pages.