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Turn your physics, math and chemistry notes into flashcards

Upload a PDF, slide deck, set of notes or a photo of a textbook page. DeckOwl builds flashcards you can review with spaced repetition, so the formulas and definitions stick.

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Flashcards for physics, math and chemistry, made from your own material

Students juggling physics, math and chemistry flashcards usually have the material spread across lecture slides, textbook PDFs and handwritten notes. Copying all of that into cards by hand takes longer than the studying itself.

  • Turns lecture slides and textbook chapters into cards for physics, math and chemistry topics.
  • Uses spaced repetition so harder formulas and definitions return more often.
  • Reads photos of pages with text recognition when you do not have a digital copy.
  • Free plan includes 3 generations per month and browser study, with exports on Plus.
Example physics, math and chemistry flashcards
Newton's second lawNet force equals mass times acceleration, written as F = ma.
What is the derivative of sin(x)?cos(x).
What does Avogadro's number represent?The number of particles in one mole, about 6.022 × 10^23.
What is the quadratic formula?x = (−b ± √(b² − 4ac)) / 2a, used to solve ax² + bx + c = 0.
How does an exothermic reaction differ from an endothermic one?Exothermic reactions release heat to the surroundings, while endothermic reactions absorb heat from them.
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Built from your material

Flashcards come from your own lecture slides, textbook chapters and handwritten notes, not a generic question bank.

Spaced repetition

Cards you find hard come back sooner, and cards you know move further apart, so review time goes to what you miss.

Photos and scans too

Snap a page from a physics or chemistry textbook and images are read with text recognition, so you can make cards without retyping.

How it works

Upload your material

Add a PDF, DOCX, PPTX, plain text file or image of a page covering the topic you are studying.

Generate your flashcards

DeckOwl creates question and answer cards from the content, which you can review and study in the browser.

Review on a schedule

Spaced repetition brings back each card at the right time, and Plus users can export to Anki or CSV.

Start with the chapter you are working through. Upload the PDF or photograph the page, and DeckOwl produces cards for definitions, laws, formulas and worked steps. Check the cards against your course notes, remove anything that is off, and add your own where your teacher stressed a point.

Spaced repetition then handles the review schedule. Physics and chemistry rely on recalling units, conditions and rules, while math depends on remembering which method to use, so short daily sessions work better than one long cram.

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Frequently asked questions

How many flashcards should I make for a physics or chemistry exam?

There is no fixed number, but a good starting point is one card per law, definition, formula or worked step in each chapter. Spend more cards on the ideas you keep missing, and let spaced repetition bring them back more often.

How do I study math formulas with flashcards?

Put the formula or theorem on the front and a short note on when to use it on the back, rather than only the answer. Try writing the steps from memory before you check the card.

Can I export these flashcards to Anki?

Yes, Anki export is included on the Plus plan, which costs $39 per year or $7.99 per month. The free plan lets you study in the browser but does not include exports.

Does DeckOwl work with photos of textbook pages?

Yes, images are read with text recognition, so a photo of a page can become flashcards. No credit card is needed to start, and the free plan includes 3 generations per month.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.