coderef

TranslatorLimited availability

The Translator API translates some text from one natural language to another, using machine translation.

Not yet supported in all major browsers — check the table and provide a fallback.

Browser support

DesktopChrome
1–137Not supported
138+Supportedsince Jun 24, 2025
Current: 155
Edge
12–147Not supported
148+Supportedsince May 7, 2026
Current: 154
Firefox
✕Not supportedup to 157
Current: 157
Safari
✕Not supportedup to 27
Current: 27
MobileChrome Android
✕Not supportedup to 155
Current: 155
Firefox Android
✕Not supportedup to 157
Current: 157
Safari iOS
✕Not supportedup to 27
Current: 27

How to use

Not supported in Firefox, Safari, Chrome Android, Firefox Android, Safari iOS. Use feature detection below and provide a fallback (or a polyfill) for those browsers.

Example

Full syntax and examples are on MDN: Translator.

Feature detection

JS · check before using
if ("Translator" in globalThis) {
  // Translator is available
} else {
  // load a polyfill or use a fallback
}

Sub-features

Support for each part of the feature (10). The overall table above shows when the whole feature works.

Sub-featureChromeEdgeFirefoxSafariChrome AndroidFirefox AndroidSafari iOS
Translator138148✕✕✕✕✕
Translator.availability_static138148✕✕✕✕✕
Translator.create_static138148✕✕✕✕✕
Translator.destroy138148✕✕✕✕✕
Translator.inputQuota138148✕✕✕✕✕
Translator.measureInputUsage138148✕✕✕✕✕
Translator.sourceLanguage138148✕✕✕✕✕
Translator.targetLanguage138148✕✕✕✕✕
Translator.translate138148✕✕✕✕✕
Translator.translateStreaming138148✕✕✕✕✕