Limited Availability

Language detector

The LanguageDetector API identifies the likely natural language that some text is written in. You can use this API to supplement machine translation when the source source language is not known.

Baseline Status: This feature is currently Limited (not yet Baseline). Latest engine implementation shipped on May 7, 2026.

Desktop Browser Engine Support

Google Chrome

138

Supported

Mozilla Firefox

—

Unsupported

Apple Safari

—

Unsupported

Microsoft Edge

148

Supported

Mobile Browser Engine Support

Chrome Android

—

Firefox Android

—

Safari iOS

—

Specifications and References

Specification ↗ Feature XML ↗

MDN Browser Compat Data Keys:

api.LanguageDetector ↗ api.LanguageDetector.availability_static ↗ api.LanguageDetector.create_static ↗ api.LanguageDetector.destroy ↗ api.LanguageDetector.detect ↗ api.LanguageDetector.expectedInputLanguages ↗ api.LanguageDetector.inputQuota ↗ api.LanguageDetector.measureInputUsage ↗