FlexiLingo Studio

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.

Works everywhere you watch & listen

Install the extension first, then click any platform to start learning!

Interactive Demo

See it in action

Experience FlexiLingo's interactive subtitle system directly in your browser.

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Everything you need

A complete language learning system

From watching your first video to achieving fluency — FlexiLingo has every tool you need.

Smart Subtitles

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
Click any word to learn instantly
AI builds your flashcard deck
AI Deck Builder

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
Spaced Repetition

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
Review smarter not harder
Learn with podcasts player
Podcast Learning

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
Browse Podcasts
CEFR Level Detection

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
Content analysis with CEFR levels
Track every step forward
Progress & XP

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.

Free to startWorks on any platformNo credit card required

Available for Chrome and Firefox