Live Stream Translation

English to Japanese
Stream Translation

Add real-time Japanese subtitles to your English stream in 60 seconds. Works with OBS, Streamlabs, and XSplit on Twitch, YouTube, TikTok, and Kick.

Start Translating — Free

How It Works

StreamTranslate listens to your English audio in real time, transcribes it instantly, and delivers Japanese subtitles directly to your stream overlay — all less than 500ms.

  • Paste one URL into OBS as a browser source
  • Click Go Live in the StreamTranslate dashboard
  • Japanese subtitles appear on your stream automatically
  • No plugins, no downloads, no setup headaches

Why English Streamers Go Japanese

The Japanese-speaking streaming audience is massive. Adding Japanese subtitles to your stream opens your content to viewers who would otherwise scroll past. More reach means more followers, more clips, and more revenue.

  • Reach Japanese-speaking viewers on Twitch and YouTube
  • Clips spread further when more people can understand them
  • Dual-language support on Pro and Unlimited plans

Setup in 60 Seconds

  • Step 1: Create a free account at StreamTranslate
  • Step 2: Select English as your source language, Japanese as the target
  • Step 3: Copy your overlay URL and add it as a browser source in OBS
  • Step 4: Go Live — subtitles appear instantly

Japanese Streaming Audience — Key Facts

Japanese is spoken by 130 million people across Japan (primary), with diaspora communities in Brazil, USA, and Australia. Japan's streaming culture is unique and deeply engaged. The rise of VTubers has shown that Japanese audiences will follow content regardless of language when they feel a connection — but adding Japanese subtitles dramatically lowers the barrier. Partnering with Japanese-speaking viewers can also drive clips that spread organically through Twitter/X gaming communities in Japan.

  • Japan has the 3rd largest gaming market in the world by revenue
  • VTubers (virtual streamers) originated in Japan and now dominate global streaming culture
  • Japanese viewers are deeply loyal — top streamers retain audiences for years
  • Japan leads globally in mobile gaming engagement time
  • Nintendo, Sony, Capcom, Square Enix — Japanese studios power global gaming

More Translation Pages

Pricing

  • Free Plan: 3 hours every month. Card required; no payment unless you choose to upgrade.
  • Stream Pass — $9.99: One full stream session, all languages
  • Starter — $14.99/mo: 25 hours/month, single language
  • Pro — $34.99/mo: 50 hours/month, dual language
  • Unlimited — $149/mo: Unlimited hours, dual language

See full pricing →

Also stream IRL

Also supports IRL with Moblin and the OBS audio plugin, including home and cloud OBS setups such as IRL Toolkit.

Use an OBS receiver for IRL Pro, Larix Broadcaster, PRISM Live Mobile or TVU Go. Cloud providers may need to install the plugin on your server.

Moblin · Moblin Browser Source · Cloud OBS · IRL Toolkit · OBS Studio · IRL Pro · Larix Broadcaster · PRISM Live Mobile · TVU Go · MediaMTX

IRL setup guide · Desktop setup guide