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« SVG Attribute reference home

The creator of SVG content might want to provide a hint about what tradeoffs to make as the browser renders <path> element or basic shapes. The shape-rendering attribute provides these hints.

Usage context

Categories Presentation attribute
Value auto | optimizeSpeed | crispEdges | geometricPrecision | inherit
Animatable Yes
Normative document SVG 1.1 (2nd Edition)
Indicates that the user agent shall make appropriate tradeoffs to balance speed, crisp edges and geometric precision, but with geometric precision given more importance than speed and crisp edges.
Indicates that the user agent shall emphasize rendering speed over geometric precision and crisp edges. This option will sometimes cause the user agent to turn off shape anti-aliasing.
Indicates that the user agent shall attempt to emphasize the contrast between clean edges of artwork over rendering speed and geometric precision. To achieve crisp edges, the user agent might turn off anti-aliasing for all lines and curves or possibly just for straight lines which are close to vertical or horizontal. Also, the user agent might adjust line positions and line widths to align edges with device pixels.
Indicates that the user agent shall emphasize geometric precision over speed and crisp edges.


<svg xmlns="http://www.w3.org/2000/svg"
  version="1.1" width="100" height="100"

shape-rendering: geometricPrecision


shape-rendering: optimizeSpeed


Similarly, you can use css shape-rendering:

<svg xmlns="http://www.w3.org/2000/svg"
  version="1.1" width="100" height="100"


The following elements can use the shape-rendering attribute

Browser compatibility

FeatureChromeEdgeFirefoxInternet ExplorerOperaSafari
Basic support ? ? ? ? ? ?
FeatureAndroid webviewChrome for AndroidEdge mobileFirefox for AndroidOpera AndroidiOS SafariSamsung Internet
Basic support ? ? ? ? ? ? ?


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