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Review flashcards made from your notes, with spaced repetition

Upload your readings, slides or photos of pages, then review cards on a schedule that brings back the ones you keep missing.

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 flashcard review works

Effective flashcard review depends on when you see each card, not only how often you see it. Reviewing the same deck every night wastes time on facts you already know, while waiting too long lets hard facts slip away.

Cards come from your own readings, slides and notes, not a generic list.
Spaced repetition schedules each card based on your recall.
Missed cards return sooner, and known cards are spaced further apart.
Free plan covers browser review; paid plans add exports to PDF, DOCX, Anki and CSV.

Example intro cell biology flashcards for review

What is the function of the cell membrane?It controls what enters and leaves the cell, using a selectively permeable phospholipid bilayer.

What organelle produces most of a cell's ATP?The mitochondrion, through cellular respiration.

What is osmosis?The movement of water across a selectively permeable membrane from low solute concentration to high solute concentration.

What is the role of ribosomes?They synthesize proteins by translating messenger RNA into a chain of amino acids.

What is the difference between prokaryotic and eukaryotic cells?Eukaryotic cells have a membrane-bound nucleus and organelles, while prokaryotic cells lack both.

Generate the full set

Cards from your own material

Upload PDFs, DOCX, PPTX, plain notes or images, and DeckOwl turns them into flashcards you can review right away.

Spaced repetition scheduling

Each card returns at intervals based on how well you recalled it, so you spend time on what you are about to forget.

Study in the browser

The free plan lets you run review sessions in your browser. Paid plans add exports to PDF, DOCX, Anki and CSV.

How it works

Upload your material

Add a PDF, slide deck, document, text notes or a photo of a page. Images are read with text recognition.

Generate your flashcards

The AI pulls out terms, definitions and key facts and writes them as front and back cards you can edit.

Review on a schedule

Mark each card as known or missed. Spaced repetition brings missed cards back sooner and spaces out the ones you know.

Spaced repetition solves this by tracking your recall for each card and adjusting the next review date. Cards you get right appear less often, and cards you miss come back sooner, which keeps each session short and focused.

DeckOwl builds the deck from your own readings, lecture slides or notes, so the cards match what your course actually covers. You can review in the browser on the free plan and export to Anki or other formats on a paid plan.

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Frequently asked questions

How often should I review flashcards to remember them long term?

Review each card again just before you would likely forget it, which spaced repetition estimates for you. Cards you miss come back the same day or the next, while cards you know move to longer gaps.

How many flashcards should I make for intro cell biology?

Make one card per term or fact rather than long answers, and build them chapter by chapter. A single chapter usually yields a manageable set you can review in a few short sessions.

Can I export my flashcards to Anki?

Yes, but exports are a paid feature. The Plus plan includes Anki, PDF, DOCX and CSV export, while the free plan lets you study in the browser only.

Do I need a credit card to try DeckOwl?

No credit card is needed to start. The free plan includes 3 generations per month, and students with a school email get 40% off paid plans.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.