✅Recently updated
Description
⭐️ Beginner? Start building real vocabulary from native French YouTube videos from day one
⭐️ Intermediate & beyond: word-level highlighting, instant pop-up definitions, AI explanations, one-click flashcard creation, and always know exactly how much of any video you understand
Sign up and start learning at just-in-french.com
🌐 Built exclusively for French learners by native French poeple
🎬 Works directly on YouTube, no need for tab switching, no copy-pasting, no friction
📊 Personalized difficulty ratings so you always watch at the right level, the videos are sorted based on your known-words.
LEARN FRENCH THE WAY FRENCH PEOPLE ACTUALLY SPEAK IT:
• Study from real videos made by French creators for French audiences
• Understand exactly how much of any video you already know before you press play
• Go from beginner to fluent through comprehensible immersion, the most effective method proven by research
• Every word you look up, every card you make, every video you watch moves your progress forward
ALWAYS KNOW WHERE YOU STAND:
• Live vocabulary tracker on every YouTube page shows your % comprehension of the current video
• Global counter tracks every unique French word you've ever acquired
• Color-coded subtitles (Red = Unknown, Orange = Learning, Green = Known) give you an instant reading of any sentence
• Personalized difficulty analysis: find videos that challenge you just enough
FEATURES INCLUDE:
⭐️Smart Video Catalog
• Browse a curated library of native French YouTube videos, ranked by how easy or hard they'll be for you specifically
• Double-handle difficulty slider: filter to only show videos where you already know 50–95% of the words for example
• See word count, known word count, video length, views, and more at a glance
• Filter by category (Vlogs, Gaming, Education, ...), sort by easiest, hardest, newest, or most viewed
• Find your perfect comprehensible input video in seconds
⭐️ Interactive YouTube Subtitles:
• Custom French subtitles injected directly over the video player
• Click any word to instantly look it up, without losing your place
• Every word color-coded to your personal learning progress in real time
⭐️ Contextual Dictionary & AI Explanations
• Instant pop-up with translation, part-of-speech, and frequency rating the moment you click a word
• AI-generated explanations (and definitions) that go beyond a basic definition; understand nuance, register, and usage
• Word frequency badges so you know if you're learning a common word or a rare one
⭐️ One-Click Flashcard Creation (SRS)
• Turn any subtitle line into a rich flashcard with sentence, audio, screenshot of the video, and context in one click
• Spaced Repetition System built in; study the minimum cards needed to remember the most words
• Review your deck directly inside the extension; no need to open another app
• Online sync so your progress is never lost
Sign up and start learning at just-in-french.com!
Reviews
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Permissions (2)
Permissions
storageℹ Can store data locally in your browser tabsℹ Can see your open tabs and their URLs
Details
| Version | 1.0.2 |
| Updated | Mar 16, 2026 |
| Size | 524KiB |
| First Seen | Mar 21, 2026 |
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