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

Usage context

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

Attributes

Global attributes

Specific attributes

DOM Interface

This element implements the SVGFEGaussianBlurElement interface.

Example

Simple example

SVG

<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

ScreenshotLive sample

Drop shadow example

SVG

<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

ScreenshotLive sample

Specifications

Specification Status Comment
Filter Effects Module Level 1
The definition of '<feGaussianBlur>' in that specification.
Working Draft Added edgeMode attribute
Scalable Vector Graphics (SVG) 1.1 (Second Edition)
The definition of '<feGaussianBlur>' in that specification.
Recommendation Initial definition

Browser compatibility

We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains. Find out how you can help!

Feature Chrome Edge Firefox (Gecko) Internet Explorer Opera Safari
Basic support ? (Yes) 4.0 (2.0) ? 9.0 9.1.1
Feature Android Edge Firefox Mobile (Gecko) IE Phone Opera Mobile Safari Mobile
Basic support ? (Yes) ? ? ? ?

The chart is based on these sources.

See also

Etiquetas do documento e colaboradores

 Colaboradores desta página: abbycar, Sebastianz, Turqueso, iwarui, kscarfone, Jeremie, Manuel_Strehl
 Última atualização por: abbycar,