<feGaussianBlur>

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

Usage context

Categories Filter primitive element
Permitted content Any 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

Screenshot Live 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

Screenshot Live sample

Specifications

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
feGaussianBlur
Yes
≤18
4
10
9
9.1
?
Yes
Yes
?
?
Yes
edgeMode
?
?
?
?
?
?
?
?
?
?
?
?
in
?
≤18
4
?
9
9.1
?
?
Yes
?
?
?
stdDeviation
?
≤18
4
?
9
9.1
?
?
Yes
?
?
?

See also

© 2005–2021 MDN contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/SVG/Element/feGaussianBlur