Free, fun, and effective courses in languages and more. Learn with quick, science-based lessons personalized to you.

Our free, fun, and effective course helps you learn Spanish with quick, science-based lessons personalized to you.

Our free, fun, and effective course helps you learn French with quick, science-based lessons personalized to you.

Learn languages by playing a game. It's 100% free, fun, and scientifically proven to work.

Language courses for English speakers. Try one of our free language courses today.

Bring the world's most popular language-learning platform to your classroom. No ads, 100% free.

With our free mobile app and web, everyone can Duolingo. Learn English with bite-size lessons based on science.

Everyone can Duolingo. Choose your learning goal and see how fast you can learn a new language.

Learn languages by playing a game. It's 100% free, fun, and scientifically proven to work.

Learn languages by playing a game. It's 100% free, fun, and scientifically proven to work.