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Blur (Mosaic)

You can apply a Gaussian blur effect to an image. It’s useful for placeholder previews, masking sensitive information, or softening backgrounds.

Blur

You can apply a Gaussian blur effect to an image.
It’s useful for placeholder previews, masking sensitive information, or softening backgrounds.

blur

Description

Sets the Gaussian blur strength (sigma). Higher values produce a stronger blur.

Format

?blur={sigma}

Supported values

  • Numeric value (sigma)
  • Range: 0.3 to 20

Examples

Request Result
?blur=1.5 약하게 블러 처리
?width=800&format=webp&blur=2 800px 리사이즈 + WebP 변환 + 블러

Using with other options

  • Combining blur with width is efficient for creating lightweight blurred thumbnails (previews).
?width=80&blur=8