CanvasRenderingContext2D.imageSmoothingQuality

This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The imageSmoothingQuality property of the CanvasRenderingContext2D interface, part of the Canvas API, lets you set the quality of image smoothing.

Note: For this property to have an effect, imageSmoothingEnabled must be true.

Syntax

ctx.imageSmoothingQuality = "low" || "medium" || "high"

Options

Possible values:

"low"
Low quality.
"medium"
Medium quality.
"high"
High quality.

Example

Setting image smoothing quality

This example uses the imageSmoothingQuality property with a scaled image.

HTML

<canvas id="canvas"></canvas>

JavaScript

const canvas = document.getElementById('canvas');
const ctx = canvas.getContext('2d');

let img = new Image();
img.src = 'https://mdn.mozillademos.org/files/222/Canvas_createpattern.png';
img.onload = function() {
  ctx.imageSmoothingQuality = 'low';
  ctx.drawImage(img, 0, 0, 300, 150);
};

Result

Specifications

Specification Status Comment
HTML Living Standard
The definition of 'imageSmoothingQuality' in that specification.
Living Standard Initial definition.

Browser compatibility

DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
imageSmoothingQuality
Experimental
Chrome Full support 54Edge Full support ≤79Firefox No support NoIE ? Opera Full support 41Safari Full support YesWebView Android Full support 54Chrome Android Full support 54Firefox Android No support NoOpera Android Full support 41Safari iOS Full support YesSamsung Internet Android Full support 6.0

Legend

Full support
Full support
No support
No support
Compatibility unknown
Compatibility unknown
Experimental. Expect behavior to change in the future.
Experimental. Expect behavior to change in the future.

See also