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Turn your katakana notes into Japanese flashcards with AI

Upload a PDF, slide deck, photo of a handout or plain notes and get a deck you can review with spaced repetition.

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Why a custom katakana deck beats a printed chart

If you are looking for a printable katakana chart, a ready-made sheet works for a quick glance. A Japanese katakana flashcards set built from your own lessons is more useful, because it covers the characters your teacher used, the loanwords in your readings, and the exact sounds you keep mixing up.

Turn a photo of a katakana chart into cards without retyping it
Review with spaced repetition so weak characters come back sooner
Study in the browser on the Free plan, with exports on paid plans
Build separate decks for basic rows, dakuten and loanwords

Example katakana flashcards for beginners

カka, the k consonant with the a vowel

シshi, not si, which is how the romaji is written

ツtsu, the katakana for the sound at the start of tsunami

スsu, which is easy to confuse with シ (shi) and ソ (so)

ンn, the only katakana with no vowel, and it never starts a word

Generate the full set

Starts from your material

Feed in the katakana chart from your textbook, a lecture slide or a photo of your notes, and get cards that match what your class actually covers.

Spaced repetition built in

Cards you miss come back sooner and cards you know fade into longer gaps, so you spend time on the characters that need it.

Study anywhere

Review in the browser on any device. Paid plans add PDF, DOCX, Anki and CSV export if you want your deck elsewhere.

How it works

Upload your source

Add a PDF, DOCX, PPTX, text file or image of a page. Photos are read with text recognition.

Generate your katakana cards

DeckOwl creates flashcards from the material you gave it, so the deck follows your course rather than a generic chart.

Review on a schedule

Study the cards in the browser and let spaced repetition decide what comes back next.

Katakana is easiest to learn in small groups. Start with the basic rows, then add the voiced and combined forms once the first set feels automatic. Reviewing a short deck every day works better than one long session each week.

Once the cards exist, you can test yourself by reading the character aloud, then checking the romaji on the back. Missed cards return sooner, which is the part of the process that does most of the memorizing.

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Frequently asked questions

How many katakana should I learn before I start reading words?

Most learners get comfortable with the 46 basic katakana first, then move on to dakuten and combinations like キャ. Reviewing a few rows a week, every day, usually builds recognition faster than cramming the whole chart.

What is the fastest way to memorize katakana?

Spaced repetition works well because it shows you the characters you miss more often. Pairing each character with a loanword you already know, such as ア in a familiar word, makes the shape easier to recall.

Can I export my katakana flashcards?

Yes, but exports are a paid feature. Plus includes PDF, DOCX, Anki and CSV export, while the Free plan lets you study in the browser.

Do I need a credit card to try DeckOwl?

No. You can start on the Free plan with 3 generations per month without entering a credit card. Students with a school email get 40% off paid plans.

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Review the main ideas visually or practice recalling them.