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Turn your own notes into Quizlet-style flashcard sets

Upload a PDF, slide deck, text file or photo of a page, and DeckOwl builds a flashcard set from that exact material, ready to 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 · First set needs no signup · Creates flashcards in seconds

Why a custom set beats a ready-made one

Ready-made sets are handy until the terms on your exam are not the terms in the set. A Quizlet-style flashcard set made from your own lecture slides or textbook chapter lines up with what your instructor actually tests, which is the point of studying in the first place.

Generate sets from PDFs, slides, notes and photos of pages
Study in the browser on the free plan, with 3 generations per month
Export to Anki or CSV on Plus, for use in other flashcard apps
Pair flashcards with quizzes and mind maps from the same material

Example biology flashcards: cell structure

Which organelle carries out aerobic respiration and produces most of the cell's ATP?The mitochondrion. Its inner membrane, folded into cristae, holds the electron transport chain.

What is the function of the rough endoplasmic reticulum?It is studded with ribosomes and helps synthesize and fold proteins destined for secretion or for membranes.

What does the nucleolus produce?Ribosomal RNA, and it is where ribosomal subunits are assembled.

What does the fluid mosaic model describe?The plasma membrane as a phospholipid bilayer with embedded proteins that can drift laterally.

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

Generate the full set

Sets built from your material

Cards come from your own lecture slides, chapters or notes, so the set matches what your exam will actually cover.

Spaced repetition built in

Cards you miss return sooner, and cards you know move further apart, so study time goes to what you are still learning.

Works from photos too

Snap a page from a textbook or handout and text recognition reads it into the set, with no retyping.

How it works

Upload your material

Add a PDF, DOCX, PPTX, plain text notes or images of pages.

Generate the set

DeckOwl writes question-and-answer cards from the content you gave it.

Study and review

Work through the cards in your browser, and let spaced repetition schedule the repeats.

Building one by hand takes time that most students would rather spend reviewing. DeckOwl reads your file, pulls out the key terms and definitions, and writes them as cards you can flip through, edit or delete before you start.

Keep each set to a single chapter or topic so you can finish it in one sitting. Come back to the same set over several days, since spaced repetition works best when you see the cards again at growing intervals.

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Frequently asked questions

How big should a flashcard set be?

Keep each set to one chapter or topic so it is easy to finish in a single sitting. If a chapter feels too long, split it into smaller sets by subtopic.

What is the most effective way to study a flashcard set?

Read the front, say the answer out loud before flipping the card, then rate how well you knew it. Repeating the set over several days, rather than cramming it, helps the material stick.

Can I export my flashcards to other apps?

Exports are a paid feature. Plus includes Anki and CSV export, which you can use to bring cards into other flashcard apps.

Is there a free plan?

Yes. The free plan includes 3 generations per month and browser study, and you do not need a credit card to start. Exports require Plus or Pro.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.