Stemmy Vocabulary Wallet

Stemmy is a vocabulary builder that turns any webpage into a classroom. Highlight any word for an instant definition with etymology, pronunciation, and examples — then save it to your personal wallet and master it with spaced repetition.

✨ Key Features for Rapid Vocabulary Growth

📖 Instant Definitions: Highlight any word for a floating "Ghost Card" overlay with definition, pronunciation, synonyms, antonyms, and etymology. (Ctrl+E)

🧬 Word DNA: Explore root morphemes, origin languages, and related word families for deeper understanding.

👛 Vocabulary Wallet: One-click save to a searchable, sortable wallet, organized by mastery level.

🧠 Spaced Repetition (SM-2): Optimize long-term retention with a scientifically proven review algorithm.

🔍 Encounter Tracking: Passive reinforcement by detecting your saved words on any webpage you browse.

📚 AI Stories: Generate context-rich short stories using your saved vocabulary for engaging learning.

⚡ X-Ray Mode: Instantly scan and highlight complex vocabulary on any page for quick review.

📊 Dashboard: Track progress, streaks, and manage your word cards with detailed analytics.

🤖 Telegram Bot Integration: Extend your learning beyond the browser. Look up words and review your vocabulary directly from Telegram.

While Ghost Card is a universal tool for anybody looking to expand their linguistic horizons, it is particularly effective for:

🎓 Test Prep: Master high-level vocabulary for the GRE, SAT, TOEFL, and IELTS.

🌍 Language Learners: Perfect for ESL/EFL students seeking rapid English acquisition.

✍️ Professionals: Ideal for researchers, writers, and avid readers looking to sharpen their lexicon.

💸 Free & Flexible: Get 10 AI lookups free. For unlimited access, simply add your own Mistral API key.

🛡️ 100% Private: Your data stays yours. All information is stored locally in your browser; there is no data collection, sharing, or transmission.