ClaviSay: AI Vocabulary Builder

Build your vocabulary while reading any webpage. Save words, get AI explanations, and review with ClaviSay.

ClaviSay is an AI vocabulary builder for language learners who want to learn from real content,. Build your personal vocabulary library while reading webpages, articles, PDFs, research papers, emails, product docs, work documents, or YouTube subtitles in a language you are learning. Select any word, phrase, sentence, or paragraph, and ClaviSay helps you translate it, explain it in context, and save it for later review. 🔖 Build Vocabulary from Real Reading and Youtube Videos Traditional vocabulary tools often start with fixed word lists. ClaviSay starts with the content you actually read and watch. Use ClaviSay to save: - Words you want to remember - Phrases and expressions from real content - Sentences with useful grammar patterns - Paragraphs that need deeper explanation - YouTube subtitle lines and video expressions - Technical, academic, or business vocabulary - Language examples from articles, PDFs, emails, webpages, and videos 🤖 AI Vocabulary Explanations in Context ClaviSay is more than a dictionary or translator. This makes vocabulary learning more practical than copying words into a separate notebook or memorizing isolated flashcards. For selected text, it can provide: - Native-language translation - Clear vocabulary meaning - AI-powered explanation - Example sentences - Context-aware interpretation - Save-to-library actions for review 📚A Vocabulary Builder for Webpages, PDFs, Articles, and YouTube On YouTube, ClaviSay can add a subtitle learning panel, show bilingual subtitles, and let you select words or phrases directly from subtitles to translate, explain, and save them. ClaviSay works where you read and watch online: - Web articles and news websites - PDFs opened in your browser - Academic papers and research materials - Work emails and business documents - Product documentation and technical pages - Blog posts, essays, and long-form reading - YouTube videos with subtitles - Language learning materials and online courses 🔄 Review and Practice Your Saved Vocabulary Every saved item becomes part of your personal vocabulary library. Your saved words, phrases, sentences, subtitle expressions, and explanations can sync with the ClaviSay Web App and Mobile App, so you can review and practice later. 👨 Who Is ClaviSay For? - Language learners building vocabulary from real content - ESL and EFL learners improving English vocabulary - Students reading academic or technical materials - Professionals learning business vocabulary and workplace expressions - TOEFL, IELTS, GRE, and exam learners studying vocabulary in context - People learning languages through YouTube videos and subtitles - Researchers reading papers in another language - People who read articles, PDFs, emails, webpages, and watch videos in foreign languages - Anyone who wants a contextual vocabulary builder instead of random word lists 🔧 How to Use the Vocabulary Builder 1. Install ClaviSay and pin it to your browser 2. Open a webpage, PDF, article, email, document, or YouTube video 3. Select a word, phrase, sentence, paragraph, or subtitle line 4. Get translation, AI explanation, examples, and usage notes 5. Save useful vocabulary to your personal library 6. Review and practice your saved vocabulary later Install ClaviSay for free and turn your browser into an AI vocabulary builder for language learning.