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CanvasRenderingContext2D.imageSmoothingQuality

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

The CanvasRenderingContext2D.imageSmoothingQuality property of the Canvas 2D API allows you to set the quality of image smoothing.

Syntax

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

Options

value
One of "low", "medium", or "high".

Examples

Using the imageSmoothingQuality property

This is just a simple code snippet using the imageSmoothingQuality property with a scaled image.

HTML

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

JavaScript

var canvas = document.getElementById("canvas");
var ctx = canvas.getContext("2d");

var img = new Image();
img.src = 'https://mdn.mozillademos.org/files/222/Canvas_createpattern.png';
img.onload = function() {
  ctx.mozImageSmoothingEnabled = false;
  ctx.imageSmoothingQuality = "Medium";
  ctx.webkitImageSmoothingEnabled = false;
  ctx.msImageSmoothingEnabled = false;
  ctx.imageSmoothingEnabled = false;
  ctx.drawImage(img, 0, 0, 400, 200);
};

Edit the code below to see your changes update live in the canvas:

Specifications

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

Browser compatibilityUpdate compatibility data on GitHub

Desktop
Chrome Edge Firefox Internet Explorer Opera Safari
Basic support 54 ? No ? 41 Yes
Mobile
Android webview Chrome for Android Edge Mobile Firefox for Android Opera for Android iOS Safari Samsung Internet
Basic support 54 54 ? No 41 Yes 6.0

See also

© 2005–2018 Mozilla Developer Network and individual contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/CanvasRenderingContext2D/imageSmoothingQuality