SonicCapiton
Real-time bilingual captions & translation for any video
SonicCaption is a browser extension that adds real-time captions and instant translation on top of any video or live audio in your tab. Show bilingual subtitles or translation-only, with a clean on-page overlay that works across sites (YouTube, online courses, meetings, livestreams, and more). Your caption history is saved locally for privacy.
Features
- Real-time captions with instant translation
- Bilingual subtitles or translation-only mode
- Works across websites: videos, meetings, livestreams (in-browser overlay)
- Customizable subtitle style (font, size, color, position, opacity)
- Low-latency, smooth live updates
- Local-first history saved in your browser (privacy-friendly)
- Quick language switching and easy controls while watching
Use Cases
- Learn languages while watching YouTube/courses
- Follow meetings or calls in another language
- Understand foreign livestreams, interviews, podcasts, webinars
- Watch movies/anime/dramas without missing context
- Take notes faster by relying on live translated captions
- Accessibility support for noisy environments or muted playback
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Comments
Hi Fazier 👋 I’m the maker of SonicCaption. The idea came from a simple frustration: I often watch courses, interviews, and livestreams in languages I’m not fluent in. Platform captions are inconsistent (or locked to one site), and copy-pasting audio/text into separate tools breaks the flow. I wanted something that works anywhere in the browser — just open a tab and get live bilingual captions as an overlay. Behind the scenes, the hardest part was making it feel “real-time” without being distracting: low latency updates, readable styling on top of any website, and a privacy-friendly approach Happy to answer any questions — and if you try it, tell me what feels confusing or missing.
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Fazier Deal
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Comments
Hi Fazier 👋 I’m the maker of SonicCaption. The idea came from a simple frustration: I often watch courses, interviews, and livestreams in languages I’m not fluent in. Platform captions are inconsistent (or locked to one site), and copy-pasting audio/text into separate tools breaks the flow. I wanted something that works anywhere in the browser — just open a tab and get live bilingual captions as an overlay. Behind the scenes, the hardest part was making it feel “real-time” without being distracting: low latency updates, readable styling on top of any website, and a privacy-friendly approach Happy to answer any questions — and if you try it, tell me what feels confusing or missing.
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