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Turn your PDFs and notes into flashcards you can study on your PC

DeckOwl runs in your browser, so there is nothing to install. Upload your own material and get a flashcard deck ready to study.

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 browser deck beats hunting for a download

Students who want PC flashcards rarely need an installer. They need cards that match their own lecture slides and textbook chapters, and that they can open on whatever computer is nearby.

Use your own course material instead of a generic prebuilt deck.
Review in short sessions of 15 to 20 minutes so recall stays fresh.
Rate each card honestly so the spaced repetition schedule works.
Export to Anki or CSV on Plus if you want cards outside the browser.

Example high school biology flashcards (cell structure)

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

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

What does the cell nucleus contain?DNA organized into chromosomes, plus the nucleolus where ribosomal RNA is made.

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

What does the cell membrane do?It is a selectively permeable phospholipid bilayer that controls what enters and leaves the cell.

Generate the full set

Upload what you already have

Add PDFs, DOCX files, PPTX slides, plain-text notes or photos of pages.

Spaced repetition built in

Cards you miss come back sooner, so review time goes to the material you are weakest on.

Export when you need a file

Plus adds PDF, DOCX, Anki and CSV export for a copy you can keep or load elsewhere.

How it works

Upload your material

Drop in a PDF, slide deck, notes file or a photo of a page from your PC.

Review the generated cards

Check the questions and answers, then keep the ones that match your course.

Study in the browser

Open the deck on any PC and rate each card so the schedule adjusts to what you remember.

DeckOwl reads your files and writes the questions and answers for you, then schedules reviews with spaced repetition. The free plan includes three generations a month and browser study. Plus, at $99.90 a year or $9.99 a month, removes the limit and adds PDF, DOCX, Anki and CSV export.

Students get 40% off with a school email, and no credit card is needed to start.

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Frequently asked questions

How many flashcards should I make for a biology unit?

Most students do well with 20 to 40 cards per chapter, keeping one fact per card. Add more cards where review shows you keep missing a term.

How do I study cell structure with flashcards?

Say the answer out loud before you flip the card, then rate how easily you recalled it. Spaced repetition brings back the cards you miss more often.

Is there a desktop app I can download for my PC?

DeckOwl runs in your web browser on a PC, Mac or Chromebook, so there is nothing to install. The free plan includes browser study with three generations a month.

Can I download my flashcards as a file?

Yes, on the Plus plan you can export to PDF, DOCX, Anki or CSV. Exports are not included in the free plan.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.