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Make flashcards online from your own notes in minutes

Upload a PDF, slides, notes or a photo of a page. DeckOwl reads the text and turns it into flashcards you can review with spaced repetition.

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 generating your own cards beats copying them by hand

Most students still write flashcards line by line, which takes longer than the studying itself. The best way to make flashcards online starts with the material you already have, such as your lecture slides, chapter PDF or handwritten notes photographed on your phone.

Upload the file you already study from instead of retyping it.
Keep questions short, one fact per card, so recall is quick.
Review a little every day rather than cramming the night before.
Export to Anki or CSV on a paid plan if you want to keep cards in another app.

Example intro biology flashcards: cell structure and processes

What organelle produces most of a cell's ATP?The mitochondrion, through cellular respiration, where the Krebs cycle and electron transport chain take place.

Why is the cell membrane described as selectively permeable?It lets some molecules pass freely while blocking or regulating others, based on size, charge and transport proteins.

What is the role of ribosomes?Ribosomes translate mRNA into proteins, either free in the cytoplasm or attached to the rough endoplasmic reticulum.

What is osmosis?The net movement of water across a semipermeable membrane from lower solute concentration to higher solute concentration.

How do mitosis and meiosis differ?Mitosis produces two genetically identical diploid cells, while meiosis produces four genetically varied haploid gametes.

Generate the full set

Works with your material

Upload PDFs, DOCX and PPTX files, plain text notes, or photos of pages read with text recognition.

Spaced repetition built in

Cards resurface at the moment you are likely to forget them, so you spend less time re-reading the same facts.

Study in the browser

Start on the free plan with no credit card and study on any device with a browser. Exports are available on paid plans.

How it works

Upload your notes

Add a PDF, slide deck, Word file, text notes or a photo of a page from your class.

Review the generated cards

Check the flashcards DeckOwl creates and edit any that need clearer wording before you study.

Study on a schedule

Review each day and let spaced repetition decide when each card comes back.

When the cards come from your own course material, they match the terms your instructor used and the exact facts you will be tested on. You can then focus your time on reviewing rather than typing.

Spaced repetition does the rest. Cards you know fade into longer gaps, while cards you miss come back sooner, so each study session stays focused on what you actually need.

Explore related topics

Easiest Way to Make Flashcards

Upload notes, slides, or PDFs and get spaced-repetition flashcards in minutes.

Easy Way to Make Flash Cards

Turn notes, slides or PDFs into flashcards with spaced repetition.

Are Flashcards a Good Way to Study?

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Are Flashcards the Best Way to Study?

How flashcards compare with quizzing and other methods, and how to combine them.

Make your own flashcards from notes

Turn your notes, slides or PDFs into a flashcard deck with spaced repetition.

Flashcard count guide

How many flashcards to make per topic, with tips for splitting cards and keeping each set focused.

How to Make and Use Flashcards

Write clear flashcards from your notes and review them with spaced repetition.

Free Digital Flashcards: How to Make Them

Turn your notes, slides or PDFs into free digital flashcards with spaced repetition.

Frequently asked questions

How many flashcards should I make for one biology chapter?

Aim for one card per key term, process or distinction, which often means 20 to 40 cards for a typical chapter. Fewer, well-chosen cards are easier to review consistently than a long list you skip.

How often should I review flashcards to remember them?

Short daily sessions work better than long weekly ones. Spaced repetition helps by spacing reviews further apart as you recall cards correctly.

Is there a free plan?

Yes. The free plan includes 3 generations per month and studying in the browser, with no credit card needed to start.

Can I export my flashcards?

Exports to PDF, DOCX, Anki and CSV are available on the Plus plan, which costs $99.90 per year or $9.99 per month. Students get 40% off with a school email.

Generate free flashcards

Keep exploring the topic

Review the main ideas visually or practice recalling them.