How does StreamTranslate work?

StreamTranslate listens to your microphone, transcribes your speech using enterprise-grade AI, translates it into your chosen language, and displays subtitles in your OBS stream via a browser source URL in real-time.

What streaming software works with StreamTranslate?

StreamTranslate works with any software that supports a Browser Source: OBS Studio, Streamlabs, StreamElements, XSplit, Twitch Studio, Lightstream, vMix, Kick Studio, and more.

Is StreamTranslate free?

Yes, StreamTranslate offers a free 6-hour trial with no credit card required. After the trial, monthly and one-time plans are available.

What languages does StreamTranslate support?

StreamTranslate supports 30+ languages including Spanish, French, Portuguese, Chinese, Hindi, Arabic, Russian, Japanese, Korean, English, and more.

How long does setup take?

Most streamers are live with translated subtitles in under 2 minutes. Sign up, click Go Live, copy the overlay URL, paste it into OBS as a Browser Source.

StreamTranslate — Real-Time Stream Subtitles

6 hours free · no credit card needed · Start Free →

✓Sign Up

✓Pick Language

3Add to OBS

4Go Live

My Spoken Language

Translate To

Second Language PRO

Show two translations simultaneously - reach more viewers

Stream Control

Pick a browser tab playing the stream you want to translate. Chrome will ask you to share it — make sure to check "Share tab audio" in the dialog.

Opens mic and starts translating

Ready when you are! 👋

Bobo

Ready.

🎙 Audio Source

Mic Sensitivity Normal

Studio Normal Outdoors Noisy IRL Max

🔊 Level

Translation Output

Speaking: —

✨

Translating to:

None

Waiting to go live

⚠ Language mismatch detected

We detected you may be speaking a different language than selected.

Live Preview

🗣 What I'm Saying

Waiting for speech...

👥 What Viewers See

Translation will appear here...

Streaming Software Setup

How to add subtitles to your stream:

Your 6 free hours are tracked by active stream time only.

In your streaming software, click the + button in the Sources panel → select Browser Source (supported softwares ↗)

Paste the URL → set width 1920, height 1080 → click OK

Come back here → click GO LIVE — start speaking. Done ✓

Your 6 free hours are only counted when OBS is live.

Overlay Preview & Style

This is exactly what your viewers will see on stream. Go live and start speaking to test it.

Overlay Style

Font Size 36px

Box BG

Position

Font

Emoji

None selected

Spoken

Black

Subtitle

Red

Hide spoken captions

Show only the translated subtitle

Hide live typing

Only show completed sentences

Why Streamers Use StreamTranslate

Reach 75% more of Twitch's audience

75% of Twitch viewers are outside the US. Most streamers only stream in English — subtitles fix that instantly.

Zero setup, one link

No software to install. Copy one overlay link into your streaming software and you're live with translated subtitles in seconds.

Real-time accuracy

Enterprise-grade speech recognition that understands gaming slang, accents, and fast speech. Subtitles appear as you talk.

30+ languages supported

Spanish, Portuguese, French, German, Italian, Dutch, Turkish, Polish, Ukrainian, Swedish, Norwegian, Danish, Finnish, Romanian, Czech, Hungarian, Bulgarian, Slovak, Greek, Thai, Chinese, Japanese, Korean, Russian, Hindi, Arabic, Vietnamese, Indonesian, and English. More coming soon.

StreamTranslate — Real-Time Stream Translation Dashboard