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Cloudflare Image transformations enable on-the-fly image optimization, resizing, and format conversion for ixo.world domain. This service improves performance across all IXO client applications.

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Configuration

  • Domain: ixo.world
  • Status: Enabled
  • Allowed Origins: ipfs.gateway.ixo.world

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Usage

Transform images using the following URL format: 
https://ixo.world/cdn-cgi/image/[OPTIONS]/[SOURCE-IMAGE-CID]

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Example

https://ixo.world/cdn-cgi/image/width=300,quality=80/[SOURCE-IMAGE-CID]

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Responsive Images

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Using width=auto

Automatically selects the best image size based on device: 
https://ixo.world/cdn-cgi/image/width=auto/[SOURCE-IMAGE-CID]
Available sizes:
  • 320px (mobile)
  • 640px (tablet)
  • 960px (laptop)
  • 1920px (desktop)
<img
  srcset="
    https://ixo.world/cdn-cgi/image/width=640/[SOURCE-IMAGE-CID]   640w,
    https://ixo.world/cdn-cgi/image/width=960/[SOURCE-IMAGE-CID]   960w,
    https://ixo.world/cdn-cgi/image/width=1920/[SOURCE-IMAGE-CID] 1920w
  "
  sizes="(max-width: 767px) 640px,
         (max-width: 1023px) 960px,
         1920px"
  src="https://ixo.world/cdn-cgi/image/width=960/[SOURCE-IMAGE-CID]"
  alt="Responsive image"
/>

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Parameters

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Resizing

  • Description: Image width in pixels
  • Example: width=300
  • Description: Image height in pixels
  • Example: height=200
  • Description: Resizing method
  • Example: fit=cover
  • Description: Focus point when cropping
  • Example: gravity=auto

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Fit Options

  • scale-down: Resize to fit within dimensions, never enlarge
  • contain: Resize to fit within dimensions, preserving aspect ratio
  • cover: Resize and crop to fill dimensions
  • crop: Crop without scaling
  • pad: Resize and add padding to match dimensions

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Quality and Format

  • Description: JPEG/WebP quality (1-100)
  • Example: quality=80
  • Description: Output image format
  • Example: format=auto
  • Description: Sharpen level (0.0-10.0)
  • Example: sharpen=1.0

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Format Options

  • auto: Best format based on browser
  • webp: WebP format
  • avif: AVIF format
  • json: Return image metadata

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Limitations

  • Maximum image area: 100 megapixels
  • Maximum GIF/WebP animation: 50 megapixels
  • Maximum file size: 70 MB
  • AVIF format: Limited to 1,600 pixels max
  • HEIC/HEIF formats: Not supported

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Security

  • Only images from allowed origins can be transformed
  • SVG files are automatically sanitized
  • Source image URLs must be from allowed origins

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Examples

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Thumbnail

https://ixo.world/cdn-cgi/image/width=150,height=150,fit=cover,gravity=auto/[SOURCE-IMAGE-CID]

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Responsive Profile Image

https://ixo.world/cdn-cgi/image/width=auto,fit=cover,gravity=auto/[SOURCE-IMAGE-CID]

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Optimized Banner

https://ixo.world/cdn-cgi/image/width=1200,height=400,fit=cover,quality=80,format=auto/[SOURCE-IMAGE-CID]

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High-DPI Image

https://ixo.world/cdn-cgi/image/width=600,dpr=2,quality=75/[SOURCE-IMAGE-CID]

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Troubleshooting

  1. Verify source URL is in allowed origins
  2. Check image exists at source URL
  3. Ensure transformation parameters are correctly formatted
  4. Verify image size is within limits

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Developer Resources

Security Guide

Security best practices

Examples

Implementation examples