Watermark PDF supports text and image marks with page-range targeting, rotation, and opacity, all handled locally.
Watermark PDF
Apply a text or image watermark with opacity, scale, and page-range control.
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FAQ
Common questions
Can I watermark only some pages?
Yes. The watermark workspace supports page-range targeting plus text styling, opacity, scale, and rotation.
Do my files leave the browser?
Your files are processed in your browser and are not uploaded to our servers. Results are generated on your device and saved in your browser's storage until you clear the workspace. You do need an internet connection to load the site. There's no account or sign-in.