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Make flashcards online from the notes you already have

Upload a PDF, slide deck, text file or photo of a page. DeckOwl drafts flashcards you can edit, then schedules reviews 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

How online flashcard making works with AI

Good online flashcard making starts with the material you already have, such as lecture slides, a textbook chapter, or photos of your notes. DeckOwl reads those files and proposes cards you can edit before studying, so the deck reflects your course rather than a generic set.

Generate flashcards from PDFs, DOCX, PPTX, text notes, or images.
Edit any draft card before you start studying.
Study in the browser on the free plan, with 3 generations per month.
Export to PDF, DOCX, Anki or CSV with Plus, which is $39/year or $7.99/month.

Example electric circuits flashcards

What is Ohm's law?V = I x R: voltage equals current times resistance.

How do resistors add up in series?Total resistance is the sum: R_total = R1 + R2 + R3, so it increases with each resistor.

How do resistors combine in parallel?The reciprocals add: 1/R_total = 1/R1 + 1/R2 + ..., so the total is less than the smallest branch.

What happens to a series circuit if one component fails open?Current stops in the whole circuit, because the single path is broken.

What is electrical power in a circuit?P = V x I, measured in watts; using Ohm's law, it can also be written as P = I^2 x R.

Generate the full set

Any source file

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

Spaced repetition

Cards you miss come back sooner, and cards you know move to longer gaps, so study time goes to what you still need.

Edit before you study

Review the generated cards, fix anything that is off, and add your own, so the deck matches what your instructor covered.

How it works

Upload your material

Add a PDF, slides, notes, or a photo of a textbook page. No credit card is needed to start.

Review the draft cards

Check the questions and answers, then keep, edit, or delete each card.

Study on a schedule

Open the deck in your browser and review the cards that are due. Plus adds exports to PDF, DOCX, Anki and CSV.

Spaced repetition then decides when each card returns. Cards you miss appear more often, and cards you know fade into longer gaps. Electric circuits is a useful test of this approach because laws like Ohm's law need active recall, not just recognition.

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Frequently asked questions

How many flashcards should I make for an electric circuits unit?

Aim for one card per distinct idea, such as each law, formula, or component. A typical chapter often lands around 20 to 40 cards, and you can add more where you keep missing answers.

What is the best way to study circuit formulas with flashcards?

Put the formula on the front and its meaning and units on the back, then review due cards daily with spaced repetition. Solve a related problem out loud after you recall each formula to check that you can use it.

Can I export my flashcards?

Exporting is a paid feature. Plus includes PDF, DOCX, Anki and CSV exports for $39/year or $7.99/month, while the free plan lets you study in the browser.

Do I need a credit card to start?

No. The free plan includes 3 generations per month and needs no credit card. Students with a school email get 40% off paid plans.

Generate free flashcards

Keep exploring the topic

Review the main ideas visually or practice recalling them.