Live speech translation for videos, meetings, and calls
Translate what you hear in near real time, directly in Chrome. Bring your own free Groq API key. No signup required.
Free to use with your own Groq API key
See how it works
Watch the full walkthrough of tab audio capture, live captions, and setup in Chrome.
Features
Live captions
Live captions while audio plays in near real time, right over the video.
Videos, meetings, calls
Works on videos, meetings, and calls across any active browser tab.
Optional voiceover
Optional spoken voiceover using your browser's native text-to-speech.
Key stays local
Your API key stays local and never passes through an intermediary server.
Free to start
Free to start with Groq's high-speed Whisper cloud tier.
Simple Chrome workflow
Pin, start tab capture with one click, and read floating captions.
Set up in under 5 minutes
Install the extension
- Add LiveStream Translator from the Chrome Web Store
- Pin it for quick access
Get a free Groq API key
- Go to the Groq console
- Create an account if needed
- Generate an API key
- Copy the key
API keys
Key
gsk_••••••••••••••••••••
Add your key in the extension
- Open the extension popup or settings
- Paste your Groq API key
- Save
Groq API Key
gsk_y4h9...98a2
Saved
Start translation
- Open a video, meeting, or call tab
- Click Start Translation
- Allow tab audio access if prompted
- Watch live translated captions appear
Live
Optional voiceover
- Enable TTS in settings if you want spoken output
- Keep captions on for easier reading
Settings
Spoken voiceover
Show captions
Who it's for
Foreign videos and series
Meetings and calls
Lectures and streams
Live captions in Chrome
Honest notes
- Best on clear speech
- Music-heavy content and very fast casual speech can be harder
- Quality depends on the audio and your Groq free-tier limits
- This is near real-time, not perfect simultaneous interpretation
Frequently Asked Questions
Yes, 100% free and open-source. There is no subscription, trial, or hidden fee. You only use your own free Groq API key.
No account or signup is required for the extension itself. You only need a free Groq account to generate your personal API key.
Groq provides ultra-fast cloud inference for Whisper speech recognition and translation models, processing captured tab audio chunks in milliseconds.
No. We don't operate servers for user data. Your key is stored exclusively in your browser's local extension storage (
chrome.storage.local) and communicates directly with Groq's official API.
Works smoothly on YouTube, Twitch, Vimeo, Google Meet, and any standard web audio tab. Note that some DRM-protected streaming services (such as Netflix) may restrict browser tab audio capture under Chrome's media capture security policies.
Yes. You can enable the optional Text-To-Speech (TTS) toggle in settings to have translated sentences spoken aloud through your browser's speech synthesizer while captions are displayed.
Privacy
- API key stored locally in your browser
- Audio is processed with your own Groq key
- No account system on our side for v1