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Turn the web and streaming video into your language-learning workspace. Learn languages through videos, browsing, and the content you actually love. 100% free. Metheus turns YouTube, Netflix, social media, and any website into your personal language learning platform. Enjoy native content without switching tabs, breaking your flow, or paying expensive subscriptions. ✨ Beginners → Build a strong foundation from day one with +1,000 built-in essential decks & courses. ✨ Intermediate & Advanced → Consume native content much sooner using interactive subtitles and context-aware reading tools. 🚀 How It Works Browse 🌐 → Open any video, news article, or website that interests you. Explore 🔍 → Click any unknown word or press Ctrl+D for instant contextual definitions. Mine ⚡ → Create media-rich flashcards (sentence, audio, screenshot, and source URL) with a single click. Master 📈 → Review and sync all your progress seamlessly on metheus.app. 🌟 WHAT MAKES METHEUS UNIQUE 🎯 +1,000 Essential Decks & Courses • Integrated vocabulary lists focusing on high-frequency words. Start learning immediately without spending hours building decks from scratch. 🎬 Video & Streaming Immersion • Interactive subtitles across your favorite video platforms. • Custom keyboard shortcuts to repeat dialogue, auto-pause, and capture vocabulary on the fly. 📖 Instant Contextual Dictionary (Ctrl+D) • Real-time lookups on any webpage. Get the precise definition for the specific sentence you're reading, not just generic entries. 🎨 Smart Text Highlighting • Metheus color-codes words on any website based on your learning status (Known, Learning, or New) so you can track progress visually. ⚡ 1-Click Media-Rich Flashcards • Capture full flashcards containing the target word, surrounding sentence, native audio, screenshot, and original source link. 🆓 100% Free & Unlimited • Unlimited access to every immersion and mining feature with no paywalls, trial periods, or credit cards required. 🔒 Privacy & Permissions: Metheus requests page access strictly to render overlay tools, subtitles, and dictionary popups. It runs using local storage, contains zero ad trackers, and respects your privacy.
Jul 29, 2026
rating_count is the Chrome Web Store ratings count, not a written-review count.
Media assets
Screenshots and videos on the listing.
Has promo video
Whether the listing includes at least one video.
Languages
Declared language locales.
Developer website
Listing exposes a developer website URL.
Contact email
Listing exposes a contact email.
Keyword in name
Case-insensitive substring match in the name.
Keyword in description
Case-insensitive substring match in the description.
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.