Add Watermark to PDF
Add a text watermark to every page of a PDF in your browser — free, fast and private.
Your watermarked PDF will be ready here.
How to use Add Watermark to PDF
- Choose a PDF file.
- Type your watermark text and pick an opacity.
- Click Add Watermark & Download.
- Save the PDF with the watermark on every page.
Note: this tool runs in your browser. Nothing is uploaded.
Frequently Asked Questions
Is Add Watermark to PDF free?
Yes, it is 100% free with no sign-up.
Can I use an image as a watermark?
No, this tool adds a text watermark only. Image watermarks are not supported.
Will the watermark stop copying?
No. A watermark marks the document visibly; it does not prevent copying or screenshots.
Is my file uploaded?
No. Watermarking happens entirely in your browser.