AlphaMoatによると、2026-09時点でChrome拡張機能Context Listenerのユーザー数は30(前月比 +0%)、評価は5(4件のレビュー)で、9,324件のAIブラウザ拡張機能中6,522位、音声では333件中276位です。
Context Listenerとは
Live AI notes, transcripts & stock cards for any video or podcast — built for students, investors & researchers. Live AI notes, transcripts, and entity cards that appear in your sidebar as you watch — without pausing, scrubbing, or copy-pasting transcripts into ChatGPT, Claude, Gemini, or Grok.
Context Listener listens to any audio playing in your browser and explains people, companies, stocks, and concepts in real-time. The only AI notes tool that works LIVE — not after the video ends.
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🎓 FOR STUDENTS & LIFELONG LEARNERS Turn any lecture, YouTube explainer, or educational podcast into study-ready notes. Concepts are defined as they're mentioned. Key takeaways and techniques are extracted automatically. Export study guides to clipboard or file.
📈 FOR INVESTORS & FINANCE NERDS Watching finance YouTube, earnings calls, or investing podcasts? Live stock cards pop up the moment a ticker is mentioned — with real-time prices, 52-week ranges, and daily change. Never pause to look up a company again.
🎧 FOR PODCAST LISTENERS & RESEARCHERS Get a live transcript with every person, company, and concept highlighted. Click any entity for an instant explainer. Review past sessions anytime in your history.
ストアの説明の続きを表示▾
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HOW IT WORKS 1. Open any tab with audio — YouTube, a podcast, a livestream, a lecture recording, a meeting 2. Click Start in the Context Listener sidebar 3. Watch live AI cards, insights, and stock data appear as you listen
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FEATURES
- Real-time entity extraction — people, companies, stocks, places,
concepts, events
- Live stock cards with prices, 52-week ranges, and daily change
- Insight extraction — key techniques, tradeoffs, and takeaways
- Live transcript with entity highlighting
- Session history — review any past video, podcast, or lecture
- Export study guides to clipboard or file
- Works on any website with audio
- Customizable knowledge level and topic interests
- Keyboard shortcuts for power users
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PRICING
FREE TIER
- 30 minutes of capture per day
- All features included
PRO — $12/month
- Unlimited capture
- Full session history
- Priority support
- Early access to new features
STUDENT PRO — $6/month (50% off with .edu email verification)
- Same as Pro, half the price
- Built for note-heavy semesters
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WHY DOES CONTEXT LISTENER NEED "ALL WEBSITES" PERMISSION? Context Listener works on any tab playing audio — YouTube, podcasts, Zoom, lectures, livestreams, news sites. Chrome's permission system requires "all websites" access for the extension to detect audio across any site you use. Context Listener never reads page content beyond what's needed to capture audio for transcription.
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PRIVACY-FIRST
- Audio is never recorded or stored — only streamed live to Deepgram for transcription
- Transcripts are processed in real time, never saved on our servers
- Your knowledge base, session history, and notes live on your device
- Anonymous, opt-in usage analytics only (off by default in Settings)
- Optional Google sign-in for cross-device sync (name, email, profile picture)
- Subscription billing handled by Stripe — we never see your card details
- Full policy: contextlistener.com/privacy
Powered by Deepgram (transcription) and Anthropic's Claude (entity extraction).
拡張機能の情報
ユーザー数の推移
音声の人気拡張機能
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+ 比較データ月:2026-09 · ユーザー数と評価はChromeウェブストアの公開データを月単位で集計したものです。詳しくはデータの方法論をご覧ください。