Langtube — Learn English

Learn English while watching YouTube — with bilingual subtitles, click-to-lookup dictionary, and a built-in vocabulary book.

🎬 BILINGUAL SUBTITLES
Watch any YouTube video with English + your native language displayed side-by-side. Subtitles sync perfectly with the video — no lag, no third-party delays.

📖 CLICK-TO-LOOKUP DICTIONARY
Click any word in the subtitles to instantly see:
• IPA pronunciation with audio playback
• Multiple parts of speech and definitions
• Example sentences from real usage
• The sentence context where you found the word

📚 VOCABULARY BOOK
Save words with one click. Each entry includes:
• Word, phonetic transcription, part of speech
• Full definition and example sentences
• The original subtitle context and video timestamp
• Click the timestamp to jump back to that moment

🃏 FLASHCARD STUDY MODE
Review saved vocabulary with flip-to-reveal flashcards — right inside the browser. Includes audio pronunciation on each card.

📤 EXPORT YOUR VOCABULARY
• CSV export (Free) — open in Excel, Google Sheets, or any spreadsheet app
• Anki .apkg export (Pro) — ready-made flashcards for spaced repetition learning

🔁 SENTENCE LOOP (Pro)
Loop any subtitle sentence for focused listening. Perfect for shadowing exercises and catching difficult phrases.

💰 PRICING
Free: Bilingual subtitles + dictionary + 50 words/month + CSV export + flashcards
Pro: Unlimited vocabulary + Anki export + sentence loop — from $1.9/month

🌍 14+ LANGUAGES SUPPORTED
Chinese (Simplified/Traditional), Japanese, Korean, Spanish, French, German, Portuguese, Russian, Arabic, Hindi, Thai, Vietnamese, Indonesian, and more.

🔒 PRIVACY FIRST
All data stays in your browser. We don't collect your viewing history, vocabulary, or personal data. Only license verification for Pro users touches our server.

Perfect for English learners, IELTS/TOEFL prep, Anki users, and anyone who wants to learn while watching YouTube.

Website: https://extpilot.com/langtube/
Support: support@extpilot.com