We just launched CaptionGo on the Chrome Web Store. It's a browser extension that overlays bilingual subtitles (original + translation) on web videos — YouTube, Netflix, Disney+, Hulu, Prime Video, Bilibili, and most HTML5 video players.
Why we built it: We previously had a similar feature inside DualPiP (our Picture-in-Picture extension), but subtitle rendering needed its own architecture to work properly across all platforms, so we split it into a standalone product.
Key features:
- Dual subtitles displayed directly on the video (no extra window needed)
- AI translation: OpenAI, Claude, Gemini, Ollama, or free engines (Google, Microsoft)
- ASR live captions for videos without subtitles (50+ languages)
- Smart sentence merging — fixes word-by-word CC captions into readable sentences
- Full subtitle customization (font, size, color, draggable position)
- Meeting captions: works with Zoom, Teams, Meet, Twitter Spaces
Browser support: Chrome, Edge, Firefox, Opera — plus Android Firefox & Android Edge (subtitles work in mobile full-screen).
Download:
- Chrome / Edge: https://chromewebstore.google.com/detail/dhapkmgdnokfkalcolenjclckejmgeci
- Firefox: https://addons.mozilla.org/firefox/addon/captiongo
Happy to answer questions or take feedback.
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