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Convert a PDF into flashcards you can study from today

Upload a textbook chapter, lecture slides, or class notes. DeckOwl reads the text and builds flashcards you can review in your browser.

Create flashcards nowFree · No credit card required

Drop files here or browsePDF, DOCX, PPTX, text or photos of your notes · several files with Plus

Free account · 3 sets a month · Creates flashcards in seconds

Why a PDF-to-flashcards app saves study time

Rereading a 300-page PDF the night before an exam is slow and rarely sticks. A good app to convert PDF to flashcards pulls the key terms and facts out of your own material so you spend your time testing recall instead of hunting for highlights.

Generate cards from PDF, DOCX, PPTX, text notes, or page photos
Study in the browser on the free plan, with 3 generations per month
Review cards with spaced repetition so weak spots come back sooner
Export to Anki, CSV, PDF, or DOCX on the Plus plan

Example introductory biology flashcards

What is the function of the mitochondria?It produces most of the cell's ATP through cellular respiration.

What is osmosis?The movement of water across a semipermeable membrane from low solute concentration to high solute concentration.

What does DNA polymerase do during replication?It adds nucleotides to a growing DNA strand in the 5' to 3' direction.

How does mitosis differ from meiosis?Mitosis produces two genetically identical diploid cells; meiosis produces four genetically varied haploid cells.

What is the role of the ribosome?It translates mRNA into a polypeptide chain during protein synthesis.

Generate the full set

Works with your files

Upload PDF, DOCX, PPTX, plain text notes, or photos of pages. Images are read with text recognition.

Spaced repetition built in

Cards come back at the intervals where you are most likely to forget them, so review time goes to what you need.

Quizzes and mind maps too

Turn the same material into multiple choice, true/false, and short answer quizzes with explanations, or into a mind map.

How it works

Upload your PDF

Drag in a chapter, handout, or set of slides. No credit card is needed to start.

Review the generated cards

Check the front and back of each flashcard and edit any card that needs a clearer question or answer.

Study on a schedule

Open your deck each day and rate how well you knew each card. The app adjusts when each card returns.

DeckOwl generates cards from the files you already have, including textbook chapters, lecture slides, and typed notes. You can check every card before you study, which keeps the deck aligned with what your instructor actually covers.

Flashcards you build from your own source material also stay useful as the course moves on. Add a new week of readings, generate another set, and keep one spaced repetition schedule across the whole term.

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Flashcard maker from PDF app

Turn a PDF into flashcards with spaced repetition, plus a free plan to start.

PDF to Flashcards: Step-by-Step Guide

Upload a PDF, generate AI flashcards, and study them with spaced repetition. Free to start.

Convert a PDF to Quizlet-style flashcards

Upload a PDF and get flashcards with spaced repetition, plus a free plan to start.

Free PDF to Flashcards App

Upload a PDF and get spaced-repetition flashcards you can study in your browser for free to start.

Convert PDF to flashcards with AI

Turn a lecture PDF, slides or notes into spaced repetition flashcards, with a free plan to start.

Frequently asked questions

How many flashcards should I make from one PDF chapter?

Aim for one fact per card and cover the headings and key terms first. Then add extra cards for anything you keep missing in review.

How does spaced repetition help with biology exams?

It shows each card again just before you would likely forget it, which strengthens memory for terms like cell organelles and metabolic steps. Short daily sessions usually work better than one long cram.

Is the app free to use?

The free plan includes 3 generations per month and studying in the browser. Exports to PDF, DOCX, Anki, and CSV require the Plus plan, which is $9.99 per month or $99.90 per year.

Can I upload photos of textbook pages?

Yes. Photos of pages are read with text recognition, so you can combine them with PDFs, slides, and notes in one deck.

Generate free flashcards

Keep exploring the topic

Review the main ideas visually or practice recalling them.