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Add PDF Watermark
Add text or image watermarks to PDF documents to protect copyright or identify document source
Click or drag to upload PDF files
Supports PDF files, max 10MB
Watermark Guide
Watermark Positions
- • Center: Display watermark in the center of the page
- • Diagonal: Tilted display, commonly used for copyright protection
- • Tile: Repeat watermark across the entire page
- • Custom: Manually set precise position
Watermark Types
- • Text watermarks: Copyright info, confidential marks, etc.
- • Image watermarks: Logos, stamps, signatures, etc.
- • Opacity: Adjust watermark visibility
- • Rotation angle: Set watermark tilt
Best Practice Tips:
• Recommended opacity: 20-50% for visibility without affecting readability
• Diagonal watermarks (45° tilt) are most commonly used for copyright protection
• Tile watermarks work well for confidential documents to prevent screenshot theft
• All processing is done locally in your browser to protect document privacy