Bellek - Smart Vocabulary Builder

Save words while browsing in 20 languages. Get instant definitions and translations, then master them with flashcards and quizzes.

Stop forgetting the words you look up. Bellek turns passive reading into active learning in any language. Bellek lets you save words while you browse and actually learn them. Highlight any word on any webpage — get the definition, synonyms, and difficulty level instantly. Save it with one click, and Bellek captures the original sentence as context so you always remember where you found it. No switching tabs. No copying into apps. No Anki decks to build. No friction. Whether you're expanding your English vocabulary, studying for IELTS or TOEFL, reading in a foreign language, or just collecting words that catch your eye — Bellek gives you one place to save them all and a system to actually remember them. 🌍 20 Languages Read an English article, a French news site, a Turkish blog, or a Japanese forum — Bellek detects the language and finds the right definition. Set your native language to get translations alongside definitions, in any direction. German→Spanish, English→Japanese, French→Turkish — not just English. 🧠 Study What You Save Flashcards with spaced repetition, multiple choice quizzes, and smart review that targets your weak spots. Bellek tracks your streak and mastery so you can watch yourself improve. 📂 Stay Organized Group words into collections by topic, project, or language. Filter, sort, and search across everything. Import word lists from CSV. Export anytime. One system instead of scattered notes, screenshots, and forgotten bookmarks. 📱 Take It Anywhere Open bellek.app on your phone or tablet to review and study on the go. 🔒 Your Data Stays Yours Everything is stored locally in your browser. No account, no sign-up, no tracking. 💡 Non-Intrusive Turn the definition popup on or off anytime from the extension icon. Bellek stays out of your way when you don't need it. 💎 Free 30 saved words 3 collections Unlimited flashcards 3 translations per day CSV import/export 💎 Premium (7-day free trial) Unlimited saved words Unlimited collections Unlimited translations Multiple choice quizzes Smart review Built for language learners, readers, students, and anyone building a stronger vocabulary — one word at a time. WHAT'S NEW v1.2.1 — Multilingual Update Definitions and translations in 20 languages Automatic page language detection Native language translations inside the definition popup Free: 3 translations/day | Premium: unlimited Bug fixes and performance improvements vocabulary builder, language learning, dictionary, flashcards, multilingual, save words, definitions, translations, word collector, study tools, spaced repetition, quiz, reading, ESL, IELTS, TOEFL