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An easy flashcard app for turning your notes into study cards

Upload a PDF, a slide deck, typed notes or a photo of a page. DeckOwl reads the material and produces flashcards you can review right away.

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Free · First set needs no signup · Creates flashcards in seconds

Why a simple flashcard app beats a complicated one

Study time is limited, so an easy flashcard app should cut setup work to almost nothing. Most of the effort in flashcards is writing them, and that step is where many students quit.

  • Upload PDFs, DOCX, PPTX, plain text notes or photos of pages
  • Cards are built from your own material, not generic decks
  • Spaced repetition schedules reviews for you
  • Start on the free plan with no credit card needed
Example fractions and decimals flashcards
What is 3/4 as a decimal?0.75, because 3 divided by 4 equals 0.75.
How do you convert 0.4 to a fraction?2/5, because 0.4 means 4 tenths, and 4/10 reduces to 2/5.
How do you add fractions with unlike denominators?Rewrite each fraction with a common denominator, add the numerators, and keep the shared denominator.
What is 1/3 as a decimal?0.333..., a repeating decimal that never ends.
How do you multiply 0.2 × 0.3?0.06, because 2 × 3 = 6 and the answer needs 2 decimal places in total.
Generate the full set

Works with what you already have

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

Spaced repetition built in

Cards resurface at the intervals that help memory stick, so you spend less time rereading and more time recalling.

Study in the browser

Open your deck on any device with a browser. The free plan lets you study online without installing anything.

How it works

Upload your material

Drop in a file or paste your notes. Nothing needs to be formatted first.

Review the generated cards

Read through the flashcards DeckOwl creates and keep the ones you want.

Study on a schedule

Work through the deck daily. Cards you miss come back sooner, cards you know come back later.

DeckOwl generates the cards from your own lecture slides, reading PDFs or notes, so the questions match what your course actually covers. You can review them in the browser and let spaced repetition decide what to show next.

The free plan gives you 3 generations a month with study in the browser. Paid plans add unlimited generations and exports to PDF, DOCX, Anki and CSV.

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Frequently asked questions

How many flashcards should I make for fractions and decimals?

Start with 15 to 25 cards covering one skill at a time, such as converting fractions to decimals. Add more only after you can answer the current set without hesitating.

What is the fastest way to memorize decimal and fraction conversions?

Write each conversion as a card with the fraction on the front and the decimal on the back, then review both directions. Spaced repetition brings back the ones you miss more often.

Is DeckOwl free to use?

Yes, the free plan includes 3 generations per month and studying in the browser. Exports are part of the paid plans.

Can I export my flashcards to Anki?

Yes, Plus includes export to Anki along with PDF, DOCX and CSV. Plus costs $39 per year or $7.99 per month, and students get 40% off with a school email.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.