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  4. Elements
  5. <feGaussianBlur>

<feGaussianBlur>

Baseline Widely available *

This feature is well established and works across many devices and browser versions. It’s been available across browsers since October 2018.

* Some parts of this feature may have varying levels of support.

The <feGaussianBlur> SVG filter primitive blurs the input image by the amount specified in stdDeviation, which defines the bell-curve.

Like other filter primitives, it handles color components in the linearRGB color space by default. You can use color-interpolation-filters to use sRGB instead.

Usage context

CategoriesFilter primitive element
Permitted contentAny number of the following elements, in any order:
<animate>, <set>

Attributes

DOM Interface

This element implements the SVGFEGaussianBlurElement interface.

Example

Basic example

SVG

html
<svg
 width="230"
 height="120"
 xmlns="http://www.w3.org/2000/svg"
 xmlns:xlink="http://www.w3.org/1999/xlink">
 <filter id="blurMe">
 <feGaussianBlur in="SourceGraphic" stdDeviation="5" />
 </filter>
 <circle cx="60" cy="60" r="50" fill="green" />
 <circle cx="170" cy="60" r="50" fill="green" filter="url(#blurMe)" />
</svg>

Result

Drop shadow example

SVG

html
<svg
 width="120"
 height="120"
 xmlns="http://www.w3.org/2000/svg"
 xmlns:xlink="http://www.w3.org/1999/xlink">
 <filter id="dropShadow">
 <feGaussianBlur in="SourceAlpha" stdDeviation="3" />
 <feOffset dx="2" dy="4" />
 <feMerge>
 <feMergeNode />
 <feMergeNode in="SourceGraphic" />
 </feMerge>
 </filter>
 <circle cx="60" cy="60" r="50" fill="green" filter="url(#dropShadow)" />
</svg>

Result

Specifications

Specification
Filter Effects Module Level 1
# feGaussianBlurElement

Browser compatibility

See also

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