Langadoo

Your complete language learning playground!

50+
Languages
10k+
Videos Transcribed
1M+
Words Learned

Everything You Need to Succeed

From YouTube video transcription to AI-generated books, we've got all the tools to make language learning engaging and effective

Learn from Any YouTube Video

Unfortunately not every video on youtube has the subtitles you need. We can transcribe any video and give you dual subtitles in your language and English.

Use real videos by natives, not just learning videos
Automatic transcription with dual subtitles
Click any word to save & review later
Extract audio clips for pronunciation practice
Sentence mining with one click

Your Personal Graded Reader

Import any book in .epub or .pdf format. You can also generate custom AI stories perfectly matched to your level. Click any word for instant translations and save them to your vocabulary list. It's reading made effortless!

Import books in .epub or .pdf format
Generate AI Graded Reader at your level
Click-to-translate any word or whole sentences instantly
Save words directly to your vocabulary
Track your reading progress over time

Never Forget What You Learn

Our spaced repetition system knows exactly when to review each word. You learn by forgetting! We will give you daily reviews of words using spaced repetition so that you fully understand the word and remember it for a long time.

Smart scheduling based on your progress
Bidirectional cards (L1→L2 and L2→L1)
Sentence cards for context learning
Audio reviews for pronunciation

Simple, Transparent Pricing

Start free and upgrade when you're ready for more

Free
$0/month
Perfect for getting started with language learning
20 minutes of video transcription per week
300 saved words
100 saved sentences
50 saved audio clips
30 explanations per day
1 AI-generated story per week
Unlimited word reviews
50+ languages
Start Free
MOST POPULAR
Pro
$10/month
For serious learners who want unlimited learning
10 hours of video transcription per month
Unlimited saved words
Unlimited saved sentences
Unlimited saved audio clips
Unlimited explanations
Unlimited AI-generated stories
Unlimited word reviews
50+ languages
Sign Up for Pro

Packed with Powerful Features

Audio Clips
Save audio from videos for pronunciation practice anytime
Sentence Mining
Extract sentences from videos and books for context-rich learning
Time Tracking
Monitor your study time across all activities and stay motivated
Grammar Insights
Get detailed explanations beyond simple translations
50+ Languages
Learn any language with comprehensive tools and resources
Progress Dashboard
Visualize your growth with detailed stats and achievements

Ready to Start Your Journey?

Join thousands of learners who are making real progress every day. Your language learning adventure starts here!

Got Questions? We've Got Answers!

Everything you need to know about Langadoo