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Turn your slides into flashcards instead of filling a template

A blank template still means typing every term yourself. DeckOwl reads your PDF, PPTX, DOCX, notes or photos, writes the flashcards, then schedules reviews with spaced repetition.

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

Why a custom deck beats a generic template

Acid and base vocabulary is already sitting in your lecture deck, so a ready-made free flashcard template for PowerPoint only gives you empty boxes to fill.

  • Cards are built from your own slides, so the terms match your course.
  • Spaced repetition schedules reviews for the cards you are most likely to forget.
  • Photos of printed pages are read with text recognition, so no retyping is needed.
  • The free plan lets you try a full workflow before you pay anything.
Example acids and bases flashcards
What is an Arrhenius acid?A substance that increases the concentration of H+ (or H3O+) ions in water.
What is a Brønsted-Lowry base?A proton (H+) acceptor.
What is the pH of a neutral solution at 25 °C?7, because [H+] equals [OH-] at 1.0 × 10^-7 M each.
What is a conjugate base?The species that remains after an acid donates a proton.
What does a strong acid do in water?It dissociates almost completely, so [H+] is roughly equal to the acid's initial concentration.
Generate the full set

Reads your slides

Upload PPTX, PDF, DOCX, plain text or a photo of a page and the text is pulled out for you.

Spaced repetition

Cards come back at the intervals your memory needs, so review time goes to the ones you miss.

Free to start

The free plan includes 3 generations a month and studying in the browser, with no credit card needed.

How it works

Upload your material

Add your lecture slides, notes or a photo of a textbook page.

Review the cards

Check the generated flashcards and remove any that do not match your course.

Study on schedule

Work through the deck in the browser and let spaced repetition bring back the cards you find hard.

Upload the PPTX file and DeckOwl generates cards from the slide text, so a definition like 'pH is the negative log of hydrogen ion concentration' becomes a question you can quiz yourself on.

The free plan gives you 3 generations a month to study in the browser. Exporting to PDF, DOCX, Anki or CSV is a paid feature on Plus.

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Frequently asked questions

How many flashcards should I make for acids and bases?

Aim for one card per term, formula or rule. For a single acids and bases unit, that often comes to a few dozen cards.

What is the best way to study acid-base chemistry with flashcards?

Write the front as a prompt, such as what a strong acid is, and say the answer aloud before flipping. Mix pH calculation cards in with definitions so you practice both.

Can I export the flashcards to PowerPoint?

DeckOwl does not export to PowerPoint. Exports to PDF, DOCX, Anki and CSV are included with Plus, and the free plan lets you study in the browser.

Does DeckOwl cost anything to start?

The free plan gives you 3 generations per month with no credit card needed. Plus is $39/year or $7.99/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.