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Need a quiz timer app? Turn your notes into practice quizzes

DeckOwl does not add a countdown to Google Forms and there is nothing to install. It reads your own material and writes multiple-choice, true/false and open questions with explanations that you study right in the browser.

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Free · First set needs no signup · Creates quizzes in seconds

Why a timer app is not the same as a quiz generator

Many students want a countdown when they move practice questions into Google Forms, which often leads to a search for a quiz timer app. DeckOwl is a different kind of tool: a browser-based AI study tool that writes the questions for you from your own material, with explanations attached.

  • Questions are generated from the PDFs, slides, or notes you upload.
  • Multiple-choice, true/false, and open questions each include an explanation.
  • Studying happens in the browser on the free plan.
  • Exports to PDF, DOCX, Anki, CSV, QTI 2.1, and Moodle XML are paid features.
Example cell biology quiz questions
Which organelle produces most of a cell's ATP?The mitochondrion. It carries out oxidative phosphorylation, which generates most of the ATP in aerobic cells.
In which phase of mitosis do sister chromatids separate?Anaphase. Spindle fibers pull the sister chromatids toward opposite poles of the cell.
True or false: prokaryotic cells have a membrane-bound nucleus.False. Prokaryotes lack a membrane-bound nucleus, so their DNA sits in a region called the nucleoid.
Why do phospholipids form a bilayer in water?Their hydrophilic heads face the water while their hydrophobic tails cluster inward, away from it.
Which process moves water across a semipermeable membrane?Osmosis. Water moves from a region of lower solute concentration to one of higher solute concentration.
Generate the full set

Quizzes from your own material

Upload a PDF, slides, DOCX, plain notes, or a photo of a page, and get questions written from that content.

Explanations for every answer

Each question comes with an explanation, so a wrong answer teaches you why the right one is correct.

Runs in your browser

No app download is needed. The free plan lets you study in the browser with 3 generations per month.

How it works

Upload your notes

Add a PDF, DOCX, PPTX, text file, or image of your pages.

Pick a question type

Choose multiple-choice, true/false, or open questions for the quiz.

Practice and review misses

Answer the questions, read the explanations, and retake the ones you missed.

The free plan includes 3 generations per month and studying in the browser, with no exports. Plus costs $39 per year or $7.99 per month and adds unlimited generations, PDF and DOCX export, Anki and CSV export, and spaced repetition. Pro costs $14.99 per month and adds a stronger AI model, bulk upload, and QTI 2.1 and Moodle XML export.

No credit card is needed to start, and students get 40% off with a school email.

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Frequently asked questions

How do I time myself while practicing a quiz?

Use a phone or kitchen timer and set a fixed time per question, or time a full set and compare your score against the clock. Mark every question you missed so you can review it afterward.

How often should I review quiz questions I got wrong?

Review missed questions the same day, then again a few days later. Keep retesting until you can answer them correctly without hesitating.

Can DeckOwl export my quiz to Google Forms?

DeckOwl does not export directly to Google Forms. PDF and DOCX export are on Plus, and QTI 2.1 and Moodle XML export are on Pro.

Is there a free plan?

Yes. The free plan includes 3 generations per month and studying in the browser, with no exports. No credit card is needed to start.

Generate free quizzes

Keep exploring the topic

Review the main ideas visually or practice recalling them.