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Watermark PDF

Add text watermarks to your PDF pages with customizable positioning, rotation, opacity, and page scope.

Last updated: April 2026 | By Patchworkr Team

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What is a PDF Watermark?

A watermark is faint text placed on top of document pages to indicate ownership, status, or context.

This tool applies a text watermark directly in your browser.

How to Add a Watermark

  1. 1

    Upload PDF

    Upload files here to load your PDF.

  2. 2

    Configure Watermark

    Set the watermark text, font size, color, and opacity.

  3. 3

    Position Watermark

    Choose position, rotation, and margins. Offset for fine-tuning.

  4. 4

    Select Pages

    Apply to all pages, specific pages, or use a custom page list.

  5. 5

    Download

    Click "Watermark PDF" to process and download your watermarked PDF.

Why Add a Watermark?

Subtle Watermarks

Use low opacity (0.2-0.4) and larger text size for visible yet non-intrusive watermarks.

Diagonal Placement

Use diagonal position for professional-looking watermarks that don't interfere with content.

Watermark PDF FAQs

What watermark formats are supported?

Only text watermarks are supported. You can customize font size, color, and opacity.

Can I apply watermarks to specific pages?

Yes. Use the "Custom Pages" option to specify pages like 1,3,5-8.

What is the opacity setting?

Opacity controls watermark visibility. 0=invisible, 1=fully opaque. Use 0.2-0.5 for subtle marks.

Can I rotate the watermark?

Yes. The rotation parameter sets degrees. Default 45° creates a diagonal watermark.

What positions are available?

Top, middle, and bottom positions with left, center, or right alignment. Plus diagonal option.

Is my PDF data private?

Yes. All processing happens locally in your browser. Your files never leave your computer.