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Turn any PDF, slide deck or photo into flashcards with AI

Upload your lecture slides, handouts, typed notes or photos of a textbook page. DeckOwl reads the text and builds flashcards you can review 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

Why turn your own notes into flashcards

Most study material arrives as a messy mix of lecture slides, scanned handouts and typed notes. Turn notes into flashcards with AI and you skip the slow copying step, then spend your time on recall.

Works with PDF, DOCX, PPTX, plain text and images
Schedules reviews with spaced repetition
Free plan includes 3 generations per month
Students get 40% off with a school email

Example ecosystems and food web flashcards

What is a producer in a food web?An organism, usually a plant or alga, that makes its own food from light or chemical energy and sits at the base of the food chain.

What is a trophic level?A feeding position in a food chain, such as primary producer, primary consumer or secondary consumer.

Why does usable energy decrease at each higher trophic level?Organisms lose much of the energy they take in as heat through metabolism and movement, so only about 10 percent is typically passed to the next level.

What is the difference between a food chain and a food web?A food chain is a single path of energy flow, while a food web shows many interconnected chains among organisms in an ecosystem.

What role do decomposers play in an ecosystem?They break down dead organic matter and waste, returning nutrients like nitrogen and carbon to soil and water so producers can reuse them.

Generate the full set

Many file types

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

Spaced repetition built in

Cards you miss come back sooner, and cards you know fade into longer review intervals.

Study in the browser

Start on the free plan with no credit card. Review your cards anywhere without installing an app.

How it works

Upload your material

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

Review the generated cards

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

Study on a schedule

Spaced repetition shows each card at the right time so the material stays in memory.

Cards built from your own course material match the terms your instructor uses. You can review them in short sessions, which works better than rereading the same pages the night before a test.

Free accounts get 3 generations per month and browser study. Paid plans add unlimited generations and export to PDF, DOCX, Anki and CSV.

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Frequently asked questions

How many flashcards should I make for a unit on ecosystems and food webs?

Start with 20 to 40 cards covering the key terms, such as producer, consumer, trophic level and decomposer. Add more only for ideas you keep missing, since short focused sets are easier to review daily.

What makes a good flashcard for food webs?

Ask one specific question per card, such as what a secondary consumer eats or why energy drops at each level. Avoid cards with long answers, because you cannot tell quickly whether you recalled the idea.

Can I export my flashcards to Anki?

Yes, export to Anki is available on the Plus plan at $39/year or $7.99/month. The free plan lets you study in the browser but does not include exports.

Do I need a credit card to try DeckOwl?

No. You can start on the free plan without a credit card and generate flashcards from your own files.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.