<feMorphology>
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
The <feMorphology>
SVG filter primitive is used to erode or dilate the input image. Its usefulness lies especially in fattening or thinning effects.
Usage context
Attributes
DOM Interface
This element implements the SVGFEMorphologyElement
interface.
Examples
Filtering SVG content
SVG
html
<svg xmlns="http://www.w3.org/2000/svg" width="300" height="180">
<filter id="erode">
<feMorphology operator="erode" radius="1" />
</filter>
<filter id="dilate">
<feMorphology operator="dilate" radius="2" />
</filter>
<text y="1em">Normal text</text>
<text id="thin" y="2em">Thinned text</text>
<text id="thick" y="3em">Fattened text</text>
</svg>
CSS
css
text {
font-family: Arial, Helvetica, sans-serif;
font-size: 3em;
}
#thin {
filter: url(#erode);
}
#thick {
filter: url(#dilate);
}
Filtering HTML content
SVG
html
<svg xmlns="http://www.w3.org/2000/svg" width="0" height="0">
<filter id="erode">
<feMorphology operator="erode" radius="1" />
</filter>
<filter id="dilate">
<feMorphology operator="dilate" radius="2" />
</filter>
</svg>
<p>Normal text</p>
<p id="thin">Thinned text</p>
<p id="thick">Fattened text</p>
CSS
css
p {
margin: 0;
font-family: Arial, Helvetica, sans-serif;
font-size: 3em;
}
#thin {
filter: url(#erode);
}
#thick {
filter: url(#dilate);
}
Specifications
Specification |
---|
Filter Effects Module Level 1 # feMorphologyElement |
Browser compatibility
Report problems with this compatibility data on GitHubdesktop | mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
feMorphology | ||||||||||||
in | ||||||||||||
operator | ||||||||||||
radius |
Legend
Tip: you can click/tap on a cell for more information.
- Full support
- Full support
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.