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Turn your notes into free online flashcards in minutes

Upload a PDF, slides, typed notes, or a photo of a page and get flashcards with spaced repetition. Start free, no credit card required.

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

Making flashcards online without typing every card

Most free flashcard sites ask you to type every card by hand, which eats the time you meant to spend studying. If you want to make flashcards online for free, start with material you already have: a lecture PDF, a slide deck, typed notes, or a photo of a textbook page. DeckOwl reads the text and drafts question and answer cards you can edit before you study.

Works from PDF, DOCX, PPTX, plain text, and images
Spaced repetition schedules reviews so hard cards come back sooner
Free plan with 3 generations per month and no credit card to start
Edit any generated card before you start studying

Example ecosystem 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. Producers form the base of most food webs.

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 links many chains that share organisms.

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

Why does less energy reach top predators?Only about 10 percent of energy is passed to the next trophic level, with the rest lost as heat and used for metabolism.

What is a keystone species?A species with a larger effect on its ecosystem than its abundance would suggest, such as sea otters limiting sea urchins in kelp forests.

Generate the full set

Starts from your material

Upload a PDF, DOCX, PPTX, plain text file, or a photo of a page. Recognized text becomes question and answer cards.

Spaced repetition built in

Cards you miss come back sooner and cards you know are spaced further apart, so review time goes to what you forget.

Study in the browser

Review on a laptop or phone without installing anything. The free plan covers browser study.

How it works

Upload your notes

Add a lecture PDF, slide deck, typed notes, or images of textbook pages.

Review the draft cards

Edit, delete, or add cards so each one matches what your course expects.

Study on a schedule

Work through the deck and let spaced repetition decide when each card returns.

The free plan gives you 3 generations per month and lets you study in the browser, so you can test the workflow before committing. Exports to PDF, DOCX, Anki, and CSV are part of the Plus plan at $39 per year or $7.99 per month. Students get 40% off with a school email.

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Free flashcard maker for your own notes

Turn your PDFs and notes into flashcards online with spaced repetition. Free to start.

Easiest Way to Make Flashcards

Upload notes, slides, or PDFs and get spaced-repetition flashcards in minutes.

Easy Way to Make Flash Cards

Turn notes, slides or PDFs into flashcards with spaced repetition.

Make your own flashcards from notes

Turn your notes, slides or PDFs into a flashcard deck with spaced repetition.

Flashcard count guide

How many flashcards to make per topic, with tips for splitting cards and keeping each set focused.

How to Make and Use Flashcards

Write clear flashcards from your notes and review them with spaced repetition.

Free Digital Flashcards: How to Make Them

Turn your notes, slides or PDFs into free digital flashcards with spaced repetition.

DIY Flashcards: How to Make Them

Learn how to make DIY flashcards that test recall, and generate a deck from your own notes.

Frequently asked questions

How many flashcards should I make for an ecosystems unit?

Aim for one card per term or relationship, such as producer, consumer, or trophic level. A single chapter on food webs often produces 30 to 50 useful cards, which is enough to cover the material without padding the deck.

How do food chains and food webs differ for studying?

A food chain is one path of energy flow, while a food web connects many chains that share organisms. Make separate cards for each term so you can answer questions that ask you to trace a path or compare the two.

Is the free plan really free?

Yes, the free plan includes 3 generations per month and studying in the browser, with no credit card needed to start. It does not include exports.

Can I export my flashcards?

Exports to PDF, DOCX, Anki, and CSV are part of the Plus plan at $39 per year or $7.99 per month. Students can get 40% off with a school email.

Generate free flashcards

Keep exploring the topic

Review the main ideas visually or practice recalling them.