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Get quiz practice from your own notes, no join code needed

Upload a PDF, slides, notes or a photo of a page and get multiple-choice, true/false and short answer questions with explanations.

Create quizzes 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 quizzes in seconds

Why a join game code is not the same as studying

A join game code opens a live session with classmates, while DeckOwl is built for practice on your own. You upload the notes or slides you already have, and the tool writes quiz questions that match them.

Works with PDF, DOCX, PPTX, plain text and photos of pages
Multiple-choice, true/false and short answer questions with explanations
Study in the browser on the free plan with 3 generations per month
Students get 40% off Plus with a school email

Example cell biology quiz questions (no join code needed)

Which organelle produces most of a cell's ATP?Mitochondria. They carry out cellular respiration, which converts glucose and oxygen into ATP.

True or false: plant cells have a cell wall made mainly of cellulose.True. The rigid cell wall gives plant cells their shape and support.

What is the main job of ribosomes?Protein synthesis. They read mRNA and link amino acids into polypeptide chains.

Why can small nonpolar molecules pass easily through the cell membrane?The phospholipid bilayer has a hydrophobic core, so nonpolar molecules dissolve through it without needing a channel.

What does the nucleolus produce?Ribosomal RNA and ribosome subunits, which are assembled there before leaving the nucleus.

Generate the full set

Quizzes from your material

Multiple-choice, true/false and short answer questions are built from the PDFs, slides, notes and page photos you upload.

Explanations for every answer

Each question comes with an explanation, so you learn why an answer is right instead of only checking whether you guessed correctly.

Flashcards that repeat at the right time

Spaced repetition brings back cards you find hard, so review time goes to the material you are most likely to forget.

How it works

Upload your study material

Add a PDF, DOCX, PPTX, plain text file or a photo of a page. Photos are read with text recognition.

Choose the question types

Pick multiple-choice, true/false or short answer questions, and generate a quiz from your own content.

Practice in your browser

Work through the quiz alone at your own pace, read the explanations, and return to the cards that need more review.

Each quiz question includes an explanation, which matters more than the score when you are learning a subject. Missed questions are the ones worth reviewing, and the explanation shows what the correct reasoning was.

The free plan gives you 3 generations per month and browser study. Plus is $39/year or $7.99/month and adds unlimited generations and exports, and students get 40% off with a school email. No credit card is needed to start.

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Frequently asked questions

Does DeckOwl host live games with a join code?

No. DeckOwl creates quizzes, flashcards and mind maps from your own material for practice in the browser, and it does not run live games with join codes.

How should I study cell biology before a quiz?

Start with the core structures such as the nucleus, mitochondria and cell membrane, then answer questions without looking at your notes. Review every explanation for questions you missed, not only the ones you got wrong by guessing.

Which export formats are included in each plan?

The free plan has no exports. Plus adds PDF, DOCX, Anki and CSV export, and Pro adds QTI 2.1 and Moodle XML export.

Do I need a credit card to try DeckOwl?

No. You can start on the free plan without a credit card, which includes 3 generations per month and study in the browser.

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