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ImageDecoder: isTypeSupported() static method

Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.

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

The ImageDecoder.isTypeSupported() static method checks if a given MIME type can be decoded by the user agent.

Syntax

js

ImageDecoder.isTypeSupported(type)

Parameters

type

A string containing the MIME type to check for decoding support.

Return value

A promise that resolves with a boolean value indicating whether images with a format of type can be decoded by the API.

Examples

The following example checks if GIF and PCX images are supported for decoding and prints the result to the console.

js

let isGifSupported = await ImageDecoder.isTypeSupported("image/gif");
console.log(`GIF supported: ${isGifSupported}`); // Likely true.

let isPcxSupported = await ImageDecoder.isTypeSupported("image/pcx");
console.log(`PCX supported: ${isPcxSupported}`); // Probably false

Specifications

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
isTypeSupported_static 94 94 No No 80 No 94 94 No 66 No 17.0

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https://developer.mozilla.org/en-US/docs/Web/API/ImageDecoder/isTypeSupported_static