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Add Watermark to PDF
Stamp text or image watermarks onto PDFs with control over opacity and position. Runs in your browser with no sign-up required. Keeps your data private on-device.
How to use this tool
- Upload a PDF and enter watermark text.
- Adjust size, angle, opacity, and color settings.
- Apply watermark and download the updated document.
Typical usage
- Mark documents as DRAFT, INTERNAL, or CONFIDENTIAL.
- Apply brand or ownership markers before distribution.
- Add clear status indicators across shared PDF copies.
Control settings
- Opacity helps balance readability and visual prominence.
- Angle and size should suit page density and layout type.
- Test output once before batch sharing to confirm styling.
FAQ
- Can I watermark all pages at once?
- Yes. Watermark settings are applied across the output document.
- Will watermarking damage original content?
- It overlays watermark text while preserving underlying page content.
- Is this processed in my browser?
- Yes. Watermarking runs locally in-session.
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