Free online PDF tool
Add a watermark to a PDF
Stamp a text watermark across every page of a PDF. Enter the text you want to display, process your file, and download the watermarked document.
Add a PDF watermark →How to watermark a PDF
- Open the PDF watermark tool and select a PDF file.
- Enter watermark text, such as a status or document label.
- Apply the watermark and download the result.
- Review every page to make sure the watermark placement is suitable.
Text watermark for PDF pages
Convert Hau adds a light text watermark to each page of the PDF. The tool is designed for text, not image or logo watermarks, and does not provide controls for custom placement, font, or opacity. Check the processed document before sharing or printing it.
PDF watermark questions
Can I add a text watermark online?
Yes. Enter your text in the watermark tool and it will be stamped across the PDF pages.
Can I use an image or logo as a watermark?
No. The current PDF watermark tool supports text only.
Will the watermark appear on every page?
Yes. The text watermark is added to each page in the document. Review the output to confirm it looks right.