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Bunny Optimizer can automatically apply watermarks to your images to protect intellectual property, reinforce branding, or mark user-generated content.
Watermarks are applied during the optimization process and cached. There’s no performance penalty after the first request.

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Configuration

Access watermarking settings in Optimizer → Settings → Watermark images
Enable Watermarking

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Watermark image URL

The publicly accessible URL to your watermark PNG (transparency supported). Best practices:
  • Use PNG format with transparency
  • Design at 2x resolution for sharp display
  • Keep file size under 100KB
  • Test on both light and dark images

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Minimum image size

Only images with width OR height greater than this value will be watermarked (in pixels). Example: Setting this to 800px prevents watermarks on small thumbnails while protecting larger downloads.

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Position

Choose from a few different placement options:
  • Bottom Right
  • Bottom Left
  • Top Right
  • Top Left
  • Center
  • Center Stretched

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Border offset

Distance from the edge as a percentage (0-100%). Example: 5% offset on a bottom-right watermark places it 5% away from both the bottom and right edges.

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Combining with Dynamic Images API

Watermarking applies after Dynamic Images transformations, ensuring your watermark appears on all generated variants.