SonicCaption
5|0 reviews|1 favorites
Introduction
Real-time bilingual subtitles and translation for any video in your browser.
Listed on
July 28, 2026
What is SonicCaption?
SonicCaption is a browser extension that provides real-time bilingual subtitles and translation for videos, streams, and online classes. It works with YouTube, Netflix, Twitch, Zoom, Google Meet, and any tab with audio. The extension processes audio locally in the tab, sending only text segments for translation, ensuring privacy.
How to use SonicCaption?
- Install the SonicCaption extension and pin it in your browser bar. Open any tab with audio (YouTube, Netflix, Zoom, etc.), click Start, and choose your languages. SonicCaption will listen and display real-time subtitles and translations on top of the page.
Core features of SonicCaption
- Real-time low-latency subtitles (~0.5s)
- Dual subtitles (original + translation)
- Universal compatibility with any tab that plays audio
- No manual uploads; everything happens in the browser
- Privacy-aware: audio stays in tab, only text segments processed
- Simple plans with free minutes
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