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Turn your PDFs and slides into notes and flashcards with AI

Upload lecture slides, PDFs, typed notes or photos of pages. DeckOwl builds flashcards you can review with spaced repetition, and no credit card is needed to start.

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How AI notes and flashcards fit into studying

Rewriting lecture slides by hand eats up time that could go to actual practice. Using AI to make notes and flashcards from your own files gives you a starting set you can check, correct and study the same day your class covers the material.

  • Upload PDFs, slides, notes or photos and get flashcards from your own material.
  • Review cards with spaced repetition so hard items come back more often.
  • Check and edit generated cards before you study them.
  • Export to Anki, CSV, PDF or DOCX with a Plus plan.
Example acids and bases flashcards
What is the pH of a neutral solution at 25°C?7. Pure water has equal hydrogen and hydroxide ion concentrations, so it is neither acidic nor basic.
Define a Brønsted-Lowry acid.A proton (H+) donor. A Brønsted-Lowry base is a proton acceptor.
What is the conjugate base of HCl?Cl−. Removing the H+ from HCl leaves the chloride ion.
What does a buffer do?It resists large pH changes by pairing a weak acid with its conjugate base, so it absorbs added H+ or OH−.
How do strong and weak acids differ in water?Strong acids dissociate almost completely, while weak acids dissociate only partly, so their equilibrium lies toward the undissociated form.
Generate the full set

Works with your own material

Upload PDF, DOCX, PPTX, plain text or images. Photos of pages are read with text recognition.

Flashcards with spaced repetition

Cards come back at the intervals that help you remember, so you spend less time rereading and more time recalling.

Quizzes and mind maps too

Turn the same material into multiple choice, true/false or short answer questions with explanations, or into a mind map of the topic.

How it works

Upload your material

Add a PDF, slide deck, document, text notes or a photo of a page.

Review the generated notes and cards

Check the notes and flashcards DeckOwl creates and edit anything that needs correcting.

Study in the browser

Work through your flashcards with spaced repetition, and export to Anki, CSV, PDF or DOCX on a paid plan.

The key is what you do with the output. Keep cards to one idea each, such as a definition, a formula or a named example, and delete any that don't match what your instructor taught. Then review them on a schedule so the material stays with you past the exam.

DeckOwl works from the notes you already have, so the cards reflect your course rather than a generic textbook. The free plan lets you generate and study in the browser, and paid plans add unlimited generations and exports.

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Frequently asked questions

How many flashcards should I make for acids and bases?

Make one card for each definition, formula and named example, such as strong versus weak acids or conjugate pairs. Then add cards for the ideas you keep missing on practice questions.

What is the best way to study pH and pOH?

Work several problems that convert between hydrogen ion concentration and pH, then quiz yourself on pH + pOH = 14 at 25°C. Spaced review helps these relationships stick better than rereading the formulas.

Can I export my flashcards to Anki?

Yes, but export is a paid feature. The free plan lets you study flashcards in the browser, and Plus adds PDF, DOCX, Anki and CSV export.

Does DeckOwl work with photos of my notes?

Yes. Photos of pages are read with text recognition, and you can also upload PDF, DOCX, PPTX or plain text files.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.