You can turn a PDF into flashcards in three ways: write them by hand while reading, build a deck in Anki or Quizlet by copying key facts in, or upload the PDF to an AI flashcard maker such as Type to Study, which reads the whole file and generates the cards for you. Making cards yourself teaches more per card but takes much longer; AI is fastest, and works best when you still review and edit what it makes.
What makes a good flashcard?
Whatever method you use, the cards need to make you retrieve one thing at a time. Practice testing is one of the best-supported study techniques (Dunlosky et al., 2013), but only if the cards are good.
- One fact per card. 'What does the enzyme X do?' not 'Everything about chapter 4'.
- Questions in your own words, not copied sentences you can recognise without understanding.
- Both directions for key terms: term to definition and definition to term.
- A source note, so you can check the card against the page later.
Method 1: by hand
Read a section of the PDF, close it, and write the cards from memory, then check. This is slow, but the act of choosing and phrasing what matters is itself learning. It suits short documents and topics you need to understand deeply.
Method 2: Anki or Quizlet
Copy questions and answers from the PDF into a flashcard app as you go. Anki gives you strong spaced repetition and full control over cards; Quizlet is quicker to start and easy to share. Both still depend on you writing the cards, so a 200-page book can take many hours.
Method 3: an AI flashcard maker
AI tools read the PDF and write cards for you. They differ in how much of the file they handle, whether they cite pages and what else they give you around the cards.
| Approach | Speed | Learning while making | Best for |
|---|---|---|---|
| By hand | Slow | High | Short, difficult material |
| Anki or Quizlet | Medium | Medium | Students who want full control |
| AI flashcard maker | Fast | Low while making, so review matters | Long PDFs and whole course books |
How it works in Type to Study
- Upload the PDF, Word, text or Markdown file, up to 5 files of 200 MB each. Scanned pages are read with OCR. For PowerPoint, save the slides as PDF first.
- Long books are split by their own chapters and bookmarks; pick the chapters your exam covers.
- Type to Study builds units and lessons that cite the pages, with key terms highlighted.
- Every key term and exam question becomes a flashcard on a Leitner schedule: missed cards return the next day, known ones after longer gaps.
- Read a lesson, type it, then do a recall pass with the key terms hidden, so you meet each fact before you drill it.
- Quizzes and a final exam with typed answers check that you can explain the material, not only recognise it.
It does not export to Anki yet, so if you need an Anki deck specifically, Method 2 or an Anki-focused tool is the better choice.
Tips for AI-generated flashcards
- Skim the first batch of cards and check a few against the PDF before trusting the rest.
- Delete cards on things your exam does not test; fewer good cards beat many weak ones.
- Study the lesson before drilling its cards, so the cards are reminders, not first contact.
- Review every day. The schedule only works if you show up for it.
Common questions
Can AI make flashcards from scanned PDFs?
Tools with OCR can. Type to Study reads scanned pages, including tables; quality depends on the scan.
Is it cheating to use AI-made flashcards?
Using study aids to learn your own course material is ordinary studying. What matters is whether you actually review them.
How many flashcards per page?
There is no fixed number. Dense pages of definitions may give several; narrative pages may give one or none. Aim for the facts you would be asked about.