StreamTranslate 实时直播翻译

为您的直播添加多语言字幕

Why Streamers Look for a Stream CC Alternative

Stream CC is a popular browser extension that adds closed captions to your Twitch or YouTube, X, and TikTok stream. It works well for what it does — but what it does is limited. Stream CC only supports English captions. If you speak English and your entire audience speaks English, that's fine. But if you want to reach international viewers, Stream CC can't help.

The extension works by capturing your microphone audio in the browser, transcribing it using the Web Speech API, and sending that text to your stream as a browser source. It's a clever approach, but the Web Speech API only handles one language at a time and has no built-in translation. The result: English-only captions with no path to multilingual subtitles.

StreamTranslate takes a fundamentally different approach. Instead of relying on browser-based speech recognition, it uses cloud-based transcription and translation to deliver real-time translated subtitles in 28+ languages. Your viewers see subtitles on the stream itself — not in a separate window, not behind an extension, but right on the video.

StreamTranslate vs Stream CC — Feature Comparison

Here's a side-by-side breakdown of what each tool offers:

Stream CC requires a Chromium-based browser (Chrome or Edge) because it relies on the Web Speech API, which is not supported in Firefox or Safari. StreamTranslate works with any browser and any OS because the processing happens in the cloud — you just paste a URL into OBS.

How StreamTranslate Works as a Stream CC Alternative

Switching from Stream CC to StreamTranslate takes about two minutes:

• Go to streamtranslate.live/control and select your speaking language and target subtitle language
• Copy the overlay URL you receive
• In OBS, add a new Browser Source and paste the URL (1920×1080)
• Position the subtitle overlay at the bottom of your scene and go live

That's it. No extension to install, no API keys to configure, no Chrome tab to keep open. StreamTranslate runs entirely through OBS's built-in browser source. For detailed positioning help, check our setup guide.

Who Should Switch from Stream CC?

If you're a streamer whose audience is entirely English-speaking and you only need basic captions, Stream CC works fine. But if any of the following apply, StreamTranslate is the better choice:

• You want to reach viewers who don't speak your language
• You stream in a non-English language and want English subtitles
• You want higher-accuracy transcription than the Web Speech API provides
• You use Firefox, Safari, or a non-Chromium browser
• You want a single overlay URL with no extension dependencies

With 57% of internet users preferring content in their native language (CSA Research), translated subtitles are the fastest way to expand your audience beyond your native language. StreamTranslate makes that possible without changing your streaming setup.

Frequently Asked Questions