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ImageOptim Tools

Image Format Converter

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80%

Original Image

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Converted Image

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About Image Format Conversion

Different image formats have different strengths. Converting to the optimal format can significantly reduce file size while maintaining quality.

Format recommendations:

  • WebP: Best for most web images (25-35% smaller than JPEG)
  • JPEG: Best for photographs with many colors
  • PNG: Best for images with transparency or simple graphics
  • AVIF: Next-gen format with excellent compression (limited browser support)