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Turn your own notes into custom flashcards with AI

Upload a lecture PDF, a slide deck, typed notes or a photo of a textbook page, and get flashcards written from your material, not a generic deck.

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 · First set needs no signup · Creates flashcards in seconds

Why custom flashcards beat generic decks

Ready-made decks rarely match how your instructor words things or which details appear on the exam, so custom flashcards built from your own lecture slides or textbook chapter cover what will actually be tested.

Cards are drawn from the exact PDF, slides or notes you upload.
Photos of pages are read with text recognition, so printed handouts can be used.
Spaced repetition schedules reviews based on how well you recall each card.
Plus users can export to Anki or CSV to keep studying in other tools.

Example cell biology flashcards for a custom deck

Which organelle produces most of a cell's ATP?The mitochondrion, through cellular respiration.

What is the function of the Golgi apparatus?It modifies, sorts and packages proteins and lipids for transport.

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

How do eukaryotic and prokaryotic cells differ?Eukaryotic cells have a membrane-bound nucleus and organelles, while prokaryotic cells lack both.

What is the role of ribosomes?They synthesize proteins by translating mRNA into a chain of amino acids.

Generate the full set

Built from your material

Upload PDF, DOCX, PPTX, plain text or images. Photos of pages are read with text recognition, so handwritten-to-typed or scanned pages work too.

Spaced repetition

Cards are scheduled so you review them just before you would forget, which keeps study time focused on what you still find hard.

Edit before you study

Rewrite, merge or delete any card the AI drafts so the deck matches what your instructor actually emphasized.

How it works

Upload your source

Add a PDF, slide deck, notes file or photo of a page. There is no need to format anything first.

Review the draft cards

DeckOwl proposes question and answer cards. Trim repeats, fix wording and add any terms you want to keep.

Study and track recall

Study in the browser on the free plan. Plus adds spaced repetition scheduling and exports to PDF, DOCX, Anki and CSV.

Writing cards by hand takes time that is better spent studying. Uploading your material lets the AI draft question and answer pairs in minutes, and you then edit the set so every card reflects your course.

Because the cards come from your own files, you can make a new deck for each unit, chapter or exam and keep your study materials organized in one place.

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Frequently asked questions

How many custom flashcards should I make for one chapter?

Aim for one card per distinct term, fact or cause-and-effect relationship, which often means a few dozen cards for a dense chapter. Remove cards that repeat the same idea so each review session stays focused.

How often should I review flashcards to remember them?

Review new cards on the day you make them, then let spaced repetition set the gaps between later reviews as you answer correctly. Short sessions of 15 to 20 minutes spread across the week usually work better than one long cram session.

Can I export my custom flashcards?

The free plan lets you study in the browser without exports. PDF, DOCX, Anki and CSV export are included in Plus, which costs $39 a year or $7.99 a month.

Do I need a credit card to start?

No. You can start without a credit card, and the free plan includes 3 generations per month. Students with a school email get 40% off paid plans.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.