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How-to guide

How to Translate Stream Chat in Real-Time

Chat translation for international viewers. StreamTranslate adds live translated subtitles to your stream via a single OBS browser source — 30+ languages, under 500ms latency, zero GPU overhead.

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No credit card. 6-hour free trial. Works on any browser.

TL;DR
Chat translation for international viewers. StreamTranslate makes this easy — paste one URL into OBS, go live, viewers see translated captions in real-time. 6-hour free trial, no credit card.

Why this matters

Chat translation for international viewers. Streamers who reach international audiences grow their viewership 3-5x faster than English-only channels (Twitch data, 2025-2026).

StreamTranslate adds live translated captions to your stream in 30+ languages via a single OBS browser source. Setup takes 60 seconds. No plugin install. No GPU overhead. No API keys.

How it works

  1. Sign up free — 6-hour trial, no credit card
  2. Pick your spoken language and target language(s)
  3. Copy the OBS browser source URL
  4. Paste into OBS as a Browser Source (1920x1080)
  5. Go live — captions appear in real-time

Languages supported

30+ target languages including Spanish, Portuguese, French, German, Italian, Polish, Russian, Japanese, Korean, Mandarin Chinese, Arabic, Hindi, Thai, Vietnamese, Indonesian, Turkish, Dutch, Swedish, Norwegian, Danish, Finnish, Greek, Czech, Hungarian, Romanian, Ukrainian.

Pricing

Free 6-hour trial. Then Stream Pass at $9.99 one-time (12 hours), Starter at $14.99/mo (25 hrs), Pro at $34.99/mo (50 hrs + dual-language), Unlimited at $149/mo (no caps).

Frequently asked questions

How fast is the translation?
Under 500ms end-to-end from speech to on-screen caption.
Does this work with OBS / Streamlabs / Meld Studio?
Yes. Any streaming software that supports Browser Sources works the same way.
Do I need to install anything?
No. Just paste one URL into OBS as a Browser Source. No plugin, no app, no API keys.
What languages are supported?
30+ including Spanish, Portuguese, French, German, Japanese, Korean, Mandarin, Arabic, Hindi, Russian, Italian, Polish, Dutch, and more.
How much does it cost?
6-hour free trial. Then plans from $9.99 one-time (Stream Pass) or $14.99/month (Starter).

Free 6-hour trial

No credit card. Paste one URL into OBS. Live in 60 seconds.

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