PDF Watermark — Free Online Tool
Stamp a text watermark on every page of a PDF. Control text, font size, opacity, rotation angle, and color. Runs entirely in your browser — file never uploaded.
100% client-side. No uploads. Your data never leaves your browser.
How to use PDF Watermark
- Drop a PDF.
- Enter watermark text.
- Adjust opacity, size, and rotation.
- Click Apply.
- Download the watermarked PDF.
Frequently Asked Questions
Can I add an image watermark?
This tool adds text watermarks. For image watermarks, use the Image Watermark tool.
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