Free online PDF tool
Add a text watermark to your PDF
Mark a PDF as confidential, draft, approved or internal before sharing it. Enter custom text and select an opacity to place a diagonal watermark across the document pages.
Use Watermark PDFHow it helps
A straightforward way to work with your document
Watermarks help communicate document status and discourage casual reuse. They are not a substitute for encryption or access controls when a file contains highly sensitive information.
The watermark is added in your browser. The source PDF is not uploaded for the transformation and you do not need to register.
Three simple steps
How to use Watermark PDF
- 1
Choose a PDF.
- 2
Enter the watermark text and opacity.
- 3
Download the marked document.
Frequently asked questions
Watermark PDF FAQ
Can I use custom text?
Yes. Enter any short label appropriate for the document.
Can I adjust transparency?
Yes. Several opacity levels are available.
Is watermarking done locally?
Yes. The browser processes the PDF.