Watermark Image

Add text watermarks to your images to protect your content and establish ownership.

Overview

The Watermark Image tool allows you to:

• Add custom text watermarks
• Control opacity and rotation
• Position watermarks precisely
• Create tiled/mosaic patterns

Supported Formats

• JPG / JPEG
• PNG
• WebP

How to Use

1. Select the Tool - Click on "Watermark Image" from the Images category
2. Upload Your Image - Drag and drop or click to browse
3. Configure Watermark:
   • Enter watermark text
   • Adjust opacity
   • Set rotation angle
   • Choose position or enable mosaic
4. Process - Click "Process Now"
5. Download - Save your watermarked image

Watermark Options

Text

Enter the text to display as watermark. Common options:

• Your name or brand
• "CONFIDENTIAL"
• "SAMPLE"
• "DO NOT COPY"
• Copyright notice

Opacity

Control watermark visibility (10-100%):

• 10-30% - Subtle, barely visible
• 30-50% - Visible but not distracting
• 50-70% - Clearly visible
• 70-100% - Very prominent

Rotation

Rotate watermark text (0-360°):

• 0° - Horizontal
• 45° - Diagonal (recommended)
• 90° - Vertical
• Custom angles available

Position

Choose from 9 positions:

[1] [2] [3]   Top-Left, Top-Center, Top-Right
[4] [5] [6]   Middle-Left, Center, Middle-Right
[7] [8] [9]   Bottom-Left, Bottom-Center, Bottom-Right

Mosaic Mode

Enable to tile watermark across entire image:

• Repeats watermark in grid pattern
• Covers entire image surface
• Better protection against cropping

Technical Details

• Uses Canvas 2D rendering
• Dynamic font sizing based on image width
• Supports custom colors
• Preserves original image quality

Best Practices

• Use 30-50% opacity for balance
• Diagonal watermarks are harder to remove
• Center position protects main content
• Mosaic mode for maximum protection

Use Cases

• Protecting photography work
• Marking preview images
• Branding social media content
• Document confidentiality

Privacy

All watermarking happens locally in your browser. Your images are never uploaded to any server.