Add a Watermark to PDF Online
Files processed locally in your browser — never uploaded to a server
About Add a Watermark to PDF Online
Protect and brand documents with text or image watermarks. Adjust opacity, rotation, color, and placement, then apply across your PDF. PDFForge watermarks your files in the browser so drafts and confidential docs never leave your device.
How to Watermark a PDF
- Upload your PDF.
- Enter watermark text or choose an image.
- Tune opacity, angle, color, and position.
- Apply and download the watermarked PDF.
Watermark Features
- Text and image watermarks
- Opacity, angle, and position controls
- Tile and corner placement options
- Private local processing
Frequently Asked Questions
Can I use a diagonal CONFIDENTIAL stamp?+
Yes. Set the angle (for example −45°) and opacity to create a classic confidential watermark.
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