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The filter 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>


Simple example

<svg width="230" height="120"

  <filter id="blurMe">
    <feGaussianBlur in="SourceGraphic" stdDeviation="5" />

  <circle cx="60"  cy="60" r="50" fill="green" />

  <circle cx="170" cy="60" r="50" fill="green"
          filter="url(#blurMe)" />

The result for this example is the following:

ScreenshotLive sample

Drop shadow example

<svg width="120" height="120"

  <filter id="dropShadow">
    <feGaussianBlur in="SourceAlpha" stdDeviation="3" />
    <feOffset dx="2" dy="4" />
        <feMergeNode />
        <feMergeNode in="SourceGraphic" />

  <circle cx="60"  cy="60" r="50" fill="green"
          filter="url(#dropShadow)" />

The result for this example is the following:

ScreenshotLive sample


Global attributes

Specific attributes

DOM Interface

This element implements the SVGFEGaussianBlurElement interface.


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

Browser compatibility

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


The chart is based on these sources.

See also

Document Tags and Contributors

 Contributors to this page: iwarui, Sebastianz, kscarfone, Jeremie, Manuel_Strehl
 Last updated by: iwarui,