Add Watermark to PDF — PDF Watermark Tool
Add text or image watermarks to your PDF pages.
Stamp custom text watermarks across PDF pages. Customize watermark text, font size, opacity, rotation angle, and placement to indicate document status such as 'CONFIDENTIAL', 'DRAFT', or 'SAMPLE'.
Draft Manuscripts
Mark preliminary contract drafts or research papers with 'DRAFT' or 'PRELIMINARY'.
Confidentiality Notices
Overlay 'CONFIDENTIAL' across proprietary business analyses and client reports.
Sample Proofs
Watermark design samples and photography proofs before client approval.
How to watermark a PDF online
Upload PDF
Select the document you want to watermark.
Configure text & style
Type your watermark text, choose color, font size, opacity, and rotation angle.
Select placement
Position your watermark in the center, diagonal, or specific page quadrant.
Download watermarked PDF
Click Watermark PDF and download your stamped document.
Frequently Asked Questions about Watermark PDF
Can I adjust watermark transparency?
Yes. The options slider lets you set opacity from subtle (20%) to bold (80%) so underlying text remains readable.
Will the watermark apply to all pages?
Yes. The watermark is stamped consistently across every page in your uploaded document.
Can a watermark be removed easily?
Text watermarks are merged into the page graphics stream. While not cryptographically locked like passwords, they clearly mark document status.
Is the tool free to use?
Yes. Stamping watermarks is free with no sign-up needed.