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Caption Translation Languages — 125+ Supported

StreamTranslate translates your stream captions into 125+ languages in real time. Reach Spanish, Portuguese, Japanese, Korean viewers — all from a single stream.

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Real-Time Translation Into 125+ Languages

StreamTranslate chains two AI layers: our industry-leading speech AI ASR transcribes your speech in under 300ms, then StreamTranslate's NMT translation layer converts text to your target language in under 100ms. Total pipeline delivers translated captions in under 400ms from speech.

Supported languages cover every major global group: European (Spanish, French, German, Italian, Portuguese, Dutch, Polish), East Asian (Japanese, Korean, Simplified Chinese, Traditional Chinese), South and Southeast Asian (Hindi, Bengali, Thai, Vietnamese, Indonesian), Middle Eastern (Arabic, Hebrew, Persian, Turkish), and many more.

Setting Up Multilingual Captions

Select your target language from the 125+ language dropdown in the StreamTranslate dashboard, copy your browser source URL, and add it to OBS. Change languages anytime without touching your OBS setup.

For multiple simultaneous languages, add multiple browser source instances in OBS with different language settings. Position them in different screen areas (top/bottom) to make them visually distinguishable for viewers.

125+ Languages

Spanish, Portuguese, Japanese, Korean, Chinese, French, German, Arabic, Hindi, and 115+ more supported for real-time translation.

Under 400ms Total

ASR + NMT adds under 400ms total — captions appear synchronized with your speech in all supported languages.

RTL Language Support

Arabic, Hebrew, and other right-to-left languages render correctly in StreamTranslate's overlay without configuration.

Frequently Asked Questions

How many languages does StreamTranslate support?

StreamTranslate supports real-time translation into 125+ languages covering all major global language groups.

Can StreamTranslate translate captions in real time?

Yes. NMT translation adds less than 100ms on top of ASR, for total caption latency under 400ms.

Which languages are most popular for stream translation?

Spanish, Portuguese, Japanese, Korean, French, German, Arabic, and Russian are most popular reflecting the global gaming audience.

Can I show captions in multiple languages?

Add multiple browser source instances in OBS, each set to a different language from the StreamTranslate dashboard.

Does StreamTranslate support Arabic and Hebrew?

Yes. Right-to-left languages render correctly in StreamTranslate's caption overlay without additional configuration.