Learn Languages While You
Watch & Listen
Transform any video, podcast, or audio into an interactive language lesson. Click any word for instant translation, save to flashcards, and let AI build your deck automatically.
Install the extension first, then click any platform to start learning!
See it in action
Experience FlexiLingo's interactive subtitle system directly in your browser.
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A complete language learning system
From watching your first video to achieving fluency — FlexiLingo has every tool you need.
Click any word. Learn instantly.
Interactive subtitles let you click any word for instant translation, pronunciation, and context. Color-coded by CEFR difficulty level so you always know what to focus on.
- One-click word translation
- Native pronunciation audio
- CEFR difficulty color-coding


AI builds your flashcard deck
Save words with one click and our AI automatically creates a smart flashcard deck. Context-aware cards include the original sentence, translation, and pronunciation.
- Save words in one click
- AI-generated context cards
- Auto-organized by topic
Review smarter, not harder
Our intelligent spaced repetition system schedules reviews at the perfect time — just when you're about to forget. Based on proven algorithms (FSRS, SM-2, Leitner).
- FSRS & SM-2 algorithms
- Personalized review schedule
- Track mastery progress


Learn with podcasts
Turn any podcast into an interactive English lesson. FlexiLingo transcribes audio in real-time and creates interactive subtitles so you can study while you listen.
- Real-time transcription
- Interactive podcast subtitles
- Curated learning content
Always know your level
Every piece of content is automatically analyzed and tagged with CEFR levels from A1 to C2. Find content that perfectly matches your current proficiency.
- Automatic A1–C2 analysis
- Content difficulty scoring
- Personalized recommendations


Track every step forward
Gamified progress tracking with XP points, streaks, and achievement badges keeps you motivated. See exactly how your vocabulary is growing week by week.
- XP points & daily streaks
- Vocabulary growth charts
- Achievement badges
Start learning smarter today
Join thousands of learners who are using FlexiLingo to reach fluency faster.
Available for Chrome and Firefox