Flashcards for Duolingo

Duolingo teaches you new words through lessons, but to really remember them you need to review. Flashcards are one of the best ways to study vocabulary—and DuoNinja lets you turn your Duolingo words into flashcards with spaced repetition, example sentences, and audio.

How to study Duolingo words with flashcards

Import your Duolingo vocabulary. Our free Chrome extension connects to Duolingo and pulls your learned words into DuoNinja. Install the extension, open Duolingo in your browser, and import with a few clicks. Your Duolingo words become a flashcard deck.

Study with spaced repetition. DuoNinja shows you cards when you're about to forget them—when your memory needs a nudge. That's how spaced repetition works: review at the right time and words stick with less effort.

Add example sentences and audio. Each flashcard can include an example sentence in context, plus text-to-speech so you hear pronunciation. You study the word the way it's really used.

Create more cards or copy community decks. Start with your Duolingo import, then add words manually or copy shared decks from other learners. Export to Anki or Quizlet if you like.

Get started

1. Sign up for DuoNinja (free)
2. Install the DuoNinja Chrome extension
3. Open Duolingo in your browser and run the import
4. Study your Duolingo flashcards with spaced repetition

You keep using Duolingo for lessons. DuoNinja gives you flashcards for the words you've learned—so you can study them when it matters.

Sign up for free or browse public decks to get started.