Online Batch Watermark - Protect Images
Add tiled watermarks to protect images from unauthorized use
Drop or click to upload images
Supports JPG, PNG, WebP. Max 100 images.
Watermark Settings
Pure local processing, images are never uploaded
Anti-theft watermark protection
Batch processing up to 100 images
Batch Watermark Protection
Add tiled watermarks to images to protect against unauthorized use. Watermarks are repeated across the entire image at configurable angles, making them difficult to remove without degrading image quality.
Customization Options
- Text: Custom watermark text with font size control
- Opacity: Adjust transparency from 10% to 80%
- Rotation: Angle from -90 to +90 degrees
- Spacing: Control density of tiled pattern
- Color: White, black, or custom colors
Privacy
All processing happens locally in the browser using Canvas API. Images never upload to any server. Watermark your private photos without privacy concerns.