Flashcard maker
Make flashcards from your notes, then study them with a Leitner box schedule that puts the cards you keep missing in front of you more often.
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How to make flashcards that actually work
Most students make flashcards that are too big. A card with a paragraph on the back invites you to recognise the answer instead of recalling it. Keep each card to one fact and phrase the front as a question.
| Weak card | Better cards |
|---|---|
| Photosynthesis → (whole paragraph) | Where do the light reactions happen? → thylakoid membranes What do the light reactions produce? → ATP and NADPH |
| WW1 causes | What does the M in MAIN stand for? → militarism Whose assassination triggered the July Crisis? → Archduke Franz Ferdinand |
| Mitosis vs meiosis | How many daughter cells does meiosis make? → four Are mitosis daughter cells identical? → yes, genetically identical |
Why the deck uses boxes
Reviewing every card every day wastes time on the ones you already know. The Leitner system, described by Sebastian Leitner in 1972, spaces a card out further each time you get it right. You can watch it work card by card in the spaced repetition simulator, and see why the gaps grow on the forgetting curve page.
Flashcards vs a practice test
Cards are best for facts you need word for word: vocabulary, formulas, dates, definitions. For understanding how ideas connect, use a practice test with short-answer questions, or the Feynman technique.
Questions students ask
How do I make flashcards from my notes?
Paste your notes and press "Make flashcards with AI" for question-and-answer cards, or "Find definitions" to turn every line written as "term: definition" or "term - definition" into a card instantly, without AI. You can edit, delete or add cards before studying.
Can I export the cards to Anki or Quizlet?
Yes. "Download for Anki" saves a tab-separated file that Anki imports directly (File > Import). "Download CSV" works with Quizlet’s import box and spreadsheets.
How does the study mode decide which cards to show?
It uses the Leitner system: every card starts in box 1. A correct answer moves it up one box, a miss sends it back to box 1. Box 1 is reviewed every session, box 2 every 2 days, box 3 every 4 days, box 4 every 8 days and box 5 every 16 days, so you spend your time on the cards you do not know yet.
Are my flashcards saved?
Your deck and each card’s box are saved in this browser’s local storage, so you can close the tab and come back. Nothing is saved on our servers. Clearing your browser data, or the "Delete deck" button, removes it.
What makes a good flashcard?
One fact per card, a question on the front that forces recall rather than recognition, and a short answer you can check exactly. Piotr Wozniak’s "20 rules of formulating knowledge" (the SuperMemo guide) is the classic reference; the minimum information principle is rule one.