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Turn any PDF into Anki flashcards with AI

Upload a PDF, slide deck, set of notes, or photos of pages. DeckOwl builds flashcards with spaced repetition, so you review what you are about to forget.

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 an AI PDF to Anki workflow saves study time

Textbook chapters and lecture slides are dense, and writing flashcards by hand from them can take longer than the studying itself. A AI PDF to Anki flashcards workflow starts from the file you already have, so you spend your time learning the material instead of copying it out.

Upload PDFs, DOCX, PPTX, notes, or photos of pages
Get flashcards generated from your own material
Review with spaced repetition on any plan
Export to Anki, CSV, PDF, or DOCX on Plus

Example ecosystems and food web flashcards

What is a trophic level?The feeding position an organism holds in a food chain, such as producers at level 1 or primary consumers at level 2.

What do primary producers do?They convert light or chemical energy into organic matter, usually through photosynthesis or chemosynthesis.

What is a keystone species?A species whose effect on its community is larger than its abundance suggests, so removing it can reshape the whole ecosystem.

Why is energy transfer between trophic levels inefficient?Only about 10 percent of energy passes to the next level, because the rest is lost as metabolic heat, waste, and undigested material.

How does a food web differ from a food chain?A food chain is a single path of energy flow, while a food web links many interconnected chains within an ecosystem.

Generate the full set

Reads your own files

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

Spaced repetition built in

Cards come back at the intervals your memory needs, so you spend less time rereading and more time recalling.

Export to Anki

On the Plus plan, download your cards as an Anki deck and keep studying wherever you already use Anki.

How it works

Upload your PDF

Drop in a chapter, lecture slides, or your own notes. No credit card is needed to start.

Review the generated cards

Check the front and back of each flashcard and edit anything that needs tightening.

Study or export

Study in the browser on the free plan, or export to Anki on Plus with spaced repetition scheduling.

Good cards ask one thing each. Short questions with specific answers, such as the definition of a term or a single cause and effect, are easier to review than long paragraphs copied from the page. Check the generated cards for accuracy before you start a review session.

Once the deck is in Anki, the spacing schedule does the rest. Cards you miss come back sooner, and cards you know drop away, which keeps daily sessions short.

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Upload notes or slides and get an AI-made Anki deck with spaced repetition.

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Turn your own notes or slides into a spaced repetition deck, exportable to Anki on Plus.

AI Anki Deck Maker

Turn lecture slides and notes into flashcards you can export to Anki.

AI Anki flashcard creator

Turn notes and slides into AI flashcards with spaced repetition, then export to Anki.

AI Anki Deck Maker from Your Notes

Turn PDFs, slides and notes into an Anki deck with AI, then study with spaced repetition.

Frequently asked questions

How many flashcards should I make from an ecology chapter?

Aim for one card per distinct idea, such as each trophic level, each type of interaction, or each key term. Most chapters work well with a few dozen focused cards rather than a card for every sentence.

What should I study first in ecosystems and food webs?

Start with the vocabulary of energy flow, including producers, consumers, decomposers, and trophic levels. Then move to how food chains connect into food webs and why energy transfer between levels is limited.

Can I export my flashcards to Anki for free?

No. Anki export is a Plus feature, which costs $39 per year or $7.99 per month, and students get 40 percent off with a school email. The free plan lets you study in the browser, with 3 generations per month.

Does it work with photos of printed pages?

Yes. Images, including photos of pages, are read with text recognition before flashcards are generated. Check the text on screen if the photo is blurry or skewed.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.