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The <feConvolveMatrix> SVG filter primitive applies a matrix convolution filter effect. A convolution combines pixels in the input image with neighboring pixels to produce a resulting image. A wide variety of imaging operations can be achieved through convolutions, including blurring, edge detection, sharpening, embossing and beveling.

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 SVGFEConvolveMatrixElement interface.

Example

SVG

<svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg"
    xmlns:xlink="http://www.w3.org/1999/xlink">
  <defs>
    <filter id="emboss">
      <feConvolveMatrix
          kernelMatrix="3 0 0
                        0 0 0
                        0 0 -3"/>
    </filter>
  </defs>

  <image xlink:href="/files/12668/MDN.svg" x="0" y="0"
      height="200" width="200" style="filter:url(#emboss);" />
</svg>

Result

Specifications

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

Browser compatibility

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

See also

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