Twitch doesn't have native stream subtitles. The fastest fix: StreamTranslate adds real-time translated captions to your Twitch stream via OBS browser source in 60 seconds.
Start Translating Free → No credit card · 28+ languages · Works with OBS, Streamlabs, XSplitAs of 2026, Twitch still has no built-in subtitle or live captioning system for streamers. Viewer-side auto-captions were tested but never widely rolled out. This means the 40%+ of Twitch viewers who aren't native English speakers have no way to follow English-language streams without a third-party tool.
The fastest and most reliable way to add subtitles to Twitch is using StreamTranslate. It works as an OBS browser source — no plugin, no download, just a URL you paste into OBS.
Setup takes 60 seconds: sign up at streamtranslate.live, copy your overlay URL, add it as a browser source in OBS, go live. Translated subtitles appear on your Twitch stream in real time in 28+ languages.
Twitch's experimental viewer-side captions only show for viewers who enable them and only transcribe in English — they don't translate. StreamTranslate shows captions to ALL viewers by default and can translate into Spanish, Portuguese, Japanese, Korean, Chinese, and 25+ other languages.