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Turn your notes into true or false questions with AI

Upload a PDF, slides, a DOCX file or photos of pages and get true or false questions with explanations you can study in the browser.

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

How the true or false format works in DeckOwl

Writing true or false statements by hand takes longer than most people expect, so an online true or false quiz maker can build a first draft from your own pages. You still decide what to keep, which keeps the questions tied to what your instructor actually covered.

Statements are drawn from your uploaded material, not a generic question bank.
Each answer includes a short explanation of why it is true or false.
Students with a school email get 40% off.
No credit card is needed to start on the free plan.

Example true or false practice questions

True or false: Most of a eukaryotic cell's ATP is produced in the mitochondria.True. Oxidative phosphorylation in the inner mitochondrial membrane generates most of the cell's ATP.

True or false: Water boils at a lower temperature at high altitude.True. Lower air pressure reduces the temperature at which water's vapor pressure equals atmospheric pressure.

True or false: The Treaty of Versailles was signed in 1919.True. It was signed on June 28, 1919, formally ending the state of war between the Allies and Germany.

True or false: A p-value of 0.03 means there is a 97% chance the alternative hypothesis is true.False. A p-value is the probability of data this extreme if the null hypothesis is true, not the probability that a hypothesis is true.

True or false: Sound travels faster in air than in water.False. Sound travels faster in water, about 1480 m/s, than in air, about 343 m/s at 20°C.

Generate the full set

Reads your material

Upload PDF, DOCX, PPTX, plain text or photos of pages. Images are read with text recognition.

True or false with explanations

Each statement comes with the correct answer and a short reason, so wrong answers still teach you something.

Quizzes and flashcards too

Switch to multiple choice or short answer, or turn the same notes into spaced repetition flashcards.

How it works

Upload your notes

Add a PDF, slides, a DOCX file, plain text or a photo of a page.

Choose true or false

DeckOwl writes statements based on your material, each with an answer and explanation.

Study or export

Practice in the browser on the free plan, or export files on Plus and Pro.

Each statement is paired with the correct answer and a one-sentence explanation. Tricky statements that sound right but are false are where most of the learning happens, so read the explanation even when you guessed correctly.

The free plan includes 3 generations per month and browser study. Plus, at $39/year or $7.99/month, removes the limit and adds PDF, DOCX, Anki and CSV export. Pro, at $14.99/month, adds a stronger AI model, bulk upload, and QTI 2.1 and Moodle XML export.

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Frequently asked questions

How many true or false questions should I write per topic?

Aim for enough statements to cover each key term or claim once, often 10 to 20 for a single lecture. Mix true and false answers so you cannot guess by pattern.

What makes a true or false statement tricky?

Absolute words like always and never, and statements that swap a cause for an effect, are common traps. Check each qualifier before you answer.

Can I export true or false questions to Moodle?

Yes, Moodle XML export is included on the Pro plan at $14.99/month. PDF and DOCX export are available on Plus at $39/year or $7.99/month.

Is there a free way to try it?

Yes, the free plan gives you 3 generations per month and lets you study in the browser. No credit card is needed to start.

Generate free quizzes

Keep exploring the topic

Review the main ideas visually or practice recalling them.