StreamTranslate + YouTube Live: Real-Time Subtitles
Add real-time translated captions to your YouTube Live stream. True live subtitles baked into your video — not YouTube's delayed auto-captions.
Add YouTube Live Subtitles →Last updated: March 2026
Quick Answer
YouTube's built-in auto-captions are delayed and unreliable during live streams. StreamTranslate provides true real-time captions via OBS browser source — under 2-second latency, baked into your video, visible to 100% of viewers.
StreamTranslate on YouTube Live
YouTube Live reaches over 2 billion logged-in users monthly, with over 60% of views coming from outside the US. YouTube's built-in auto-captions are designed for recorded video and are delayed by 30-60 seconds during live streams — making them useless for real-time interaction.
- True real-time captions — under 2-second latency
- Baked into video — visible to every viewer, not a toggleable overlay
- 10+ language translation for international audiences
- Works alongside YouTube's own caption system without conflict
How to Set Up on YouTube Live
1. Go to streamtranslate.live/control. Create room, select languages.
2. Copy overlay URL.
3. In OBS: add Browser Source at 1920×1080.
4. Stream to YouTube Live via your stream key. Subtitles appear when you speak.
YouTube Live Audience Stats
The top non-English YouTube markets by viewer count are India, Brazil, Indonesia, Mexico, and Japan. Offering translated subtitles in Hindi, Portuguese, or Japanese immediately opens your live stream to millions of additional potential viewers.
Frequently Asked Questions
Does YouTube Live have built-in real-time captions?
YouTube's auto-captions are delayed by 30-60 seconds during live streams and are unreliable. StreamTranslate provides true real-time captions with under 2-second latency, baked directly into your video output.
How do I add StreamTranslate to YouTube Live?
Create a room at streamtranslate.live/control, copy the overlay URL, add it as a Browser Source in OBS at 1920×1080. Stream to YouTube Live as normal. Subtitles appear automatically.
Can I translate my YouTube Live stream?
Yes. StreamTranslate translates your speech into 10+ languages in real time. Select your target language in the control panel. Over 60% of YouTube views come from outside the US — translation opens massive international audiences.
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