好きなもので日本語Japanese from what you love
Flashcards fromanime, manga, games, books
Start with the most common words from an anime you love, or paste in sentences from whatever you're reading. Review kana, kanji, words, grammar and sentences in one place, with analytics that show what you've really learned.
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Kana, kanji, words, grammar and sentences, with a dictionary built in. All of it feeds one picture of what you know and what to learn next.
Hiragana and katakana from zero, for when you can’t read Japanese yet.
By school grade, drawn stroke by stroke, with every stroke checked.
From the dictionary or a whole anime episode, most common words first.
Grammar points by JLPT level, found for you in the sentences you study.
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Lines from a show, a manga, a game or a book, with every word found and tracked.
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Look up any word or kanji and add it to your reviews.
Every card is scheduled by FSRS, a modern spaced-repetition algorithm, so your time goes to what you’re about to forget. Words you miss in a sentence come back as word reviews.
Suggestions ranked by how common a word is and how many of its kanji you know, boosted when it turns up in your shows and sentences.
Export decks to Anki with their review history, back up sentence decks as files, and delete your account any time.
See it for yourself in seconds.
Kana, kanji, words, the dictionary and anime word lists all work without an account. Sentence and grammar decks need an account.
Every card you review and every word you add tells Momiji what to show you next.
Pick an anime series or a single episode and add its words, most common first. Or paste in lines from whatever you’re reading, and Momiji finds every word in them.

Cards come back just before you’d forget them. Say how well you remembered, and Momiji schedules the next review.

Your streak, your retention and a heatmap of your year, with a forecast of the reviews coming up.

Guides to kana, kanji and grammar for every level, with furigana over the 漢字 and romaji when you want it.
Beginner3 min read
Japanese mixes three writing systems in one sentence. What hiragana, katakana and kanji are each for, and the order to learn them in.
ReadBeginner4 min read
Set up a Japanese keyboard on Windows, Mac, iPhone and Android in a few minutes, then learn how typing kana and converting to kanji works.
ReadFollowing how Momiji is built? Development updates are on the dev blog.
Pick a show you love and start on its most common words, or look anything up in the dictionary and add it to your deck. No sign-up needed to start.
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