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: 155Edge
12–147Not supported
148+Supportedsince May 7, 2026
Current: 154Firefox
✕Not supportedup to 157
Current: 157Safari
✕Not supportedup to 27
Current: 27MobileChrome Android
✕Not supportedup to 155
Current: 155Firefox Android
✕Not supportedup to 157
Current: 157Safari iOS
✕Not supportedup to 27
Current: 27How 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-feature | Chrome | Edge | Firefox | Safari | Chrome Android | Firefox Android | Safari iOS |
|---|---|---|---|---|---|---|---|
| Translator | 138 | 148 | ✕ | ✕ | ✕ | ✕ | ✕ |
| Translator.availability_static | 138 | 148 | ✕ | ✕ | ✕ | ✕ | ✕ |
| Translator.create_static | 138 | 148 | ✕ | ✕ | ✕ | ✕ | ✕ |
| Translator.destroy | 138 | 148 | ✕ | ✕ | ✕ | ✕ | ✕ |
| Translator.inputQuota | 138 | 148 | ✕ | ✕ | ✕ | ✕ | ✕ |
| Translator.measureInputUsage | 138 | 148 | ✕ | ✕ | ✕ | ✕ | ✕ |
| Translator.sourceLanguage | 138 | 148 | ✕ | ✕ | ✕ | ✕ | ✕ |
| Translator.targetLanguage | 138 | 148 | ✕ | ✕ | ✕ | ✕ | ✕ |
| Translator.translate | 138 | 148 | ✕ | ✕ | ✕ | ✕ | ✕ |
| Translator.translateStreaming | 138 | 148 | ✕ | ✕ | ✕ | ✕ | ✕ |