Firefox now supports Chinese, Japanese, and Korean translation on both desktop and Android devices. The feature processes translations entirely on-device without sending content to the cloud, ensuring privacy and enabling offline functionality. The development team overcame significant technical challenges related to CJK languages' unique character systems and sentence structures, requiring new algorithms for text segmentation and optimized models for mobile performance. Community feedback was crucial for testing accuracy, and the feature has already doubled active translation users in Asia since desktop launch.
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Translation without trackingWe took our time to get it rightWhat stuffed mushrooms taught us about machine learningTry Chinese, Japanese and Korean translation now built into FirefoxSort: