Image Tools
PDF Watermark Tool
Add customized text or image watermarks overlaying all pages of your PDF document. Fully offline and secure inside your browser.
What is PDF Watermark Tool?
The PDF Watermark tool allows you to overlay custom text or image watermarks onto PDF pages. Use it to stamp files with 'CONFIDENTIAL', 'DRAFT', or insert your business logo to establish ownership and prevent unauthorized redistribution.
How Does PDF Watermark Tool Work?
It renders the watermark as a semi-transparent graphics layer and stamps it onto each page coordinates of your PDF using client-side libraries. The original layout and text are preserved under the watermark.
How to Use PDF Watermark Tool — Step by Step
- Drag and drop your PDF file into the upload window.
- Type your text watermark (or upload a logo image).
- Adjust parameters such as font, size, opacity, angle, and position.
- Click 'Apply Watermark' and download the stamped PDF file.
Key Benefits
- High Customization: Control font properties, opacity layers, angles, and layout locations.
- Instant Previews: See how the watermark looks on the page before finalizing.
- Safe Local Processing: All stamping occurs in your browser.
Who Uses PDF Watermark Tool?
- Branding: Add company logos to product catalogs, brochures, or whitepapers.
- Status Labeling: Label documents as 'COPY', 'DRAFT', 'PAID', or 'CONFIDENTIAL'.
Tips & Best Practices
- Use a low opacity value (e.g., 20%-30%) so the watermark does not block the readability of the underlying text.
- Test watermark placement on multi-page files to ensure it doesn't overlap key headings.
Common Mistakes to Avoid
- Setting the opacity to 100%, which makes the text beneath completely unreadable.
- Using colors that blend too much with the background.
PDF Watermark Tool — Frequently Asked Questions
Yes, the watermark is applied to every page of the uploaded PDF automatically.
Yes, the tool supports both text-based stamps and image-based watermarks.