Turn any PDF into a quiz
Drop in a chapter, a paper or your lecture slides and get a multiple choice quiz written from your own material, with answers and explanations. Free, no sign up.
Up to 20 MB per PDF · 10 questions a quiz · saved on this device for 24 hours
Inspired by how students study at
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How a PDF to quiz tool works
Three steps, a few seconds, and nothing to sign up for.
Drop in your PDF
Pick the chapter, paper or lecture slides you are revising and drop the file in. No sign up, nothing to install.
It writes the questions
It reads the whole document and writes multiple choice questions on the things that matter, each with four options, one right answer and the rest as believable distractors.
Take it and see your score
Answer each question, hit submit, and see your score with the correct answers marked and a short explanation for every one. Got something wrong? The explanation tells you why.
Why use our PDF to quiz tool
Questions from your actual PDF
Every question comes from the document you uploaded, so you are tested on your syllabus, not on generic questions written for a different course.
Real distractors, not filler
The wrong options are written to be plausible, so guessing is hard and a right answer actually means you knew it.
Answers and explanations
After you submit you see the correct answer for every question and a short reason why, so the quiz also teaches you the bits you missed.
Active recall, the part that works
Reading a chapter again does little. Being asked about it is what shows you what you do and do not know. A quiz is that, in a couple of minutes.
Free, with no account
No sign up, no card, no email. Upload a PDF and take the quiz. You get 3 free quizzes a month this way.
Your file is never stored
The PDF is used to write the quiz and then dropped. There is no account here and nothing is kept on our servers.
Why testing yourself beats reading it again
The most common way to revise is also one of the weakest: reading the chapter, highlighting it, then reading it again. It feels productive because the material starts to look familiar, but familiarity is not the same as being able to recall it under exam conditions. You can recognise every line on the page and still freeze when the question is in front of you.
A quiz closes that gap. The moment you have to choose an answer, you find out whether the knowledge is really there or whether you were just nodding along. Research on the testing effect is consistent: retrieving an answer, even getting it wrong, does more for long-term memory than re-reading ever does. This tool just makes that test instant, from whatever you happen to be studying.
What makes a quiz question useful
A weak quiz asks about the document instead of the subject, or offers wrong answers so obviously wrong that the right one is a giveaway. Neither tells you anything. A useful question targets a specific idea from the material and surrounds the right answer with options that would tempt you if you only half understood it.
That is what this generates: questions on the real concepts, facts and distinctions in your PDF, with four options where the wrong three are the misconceptions you would actually fall for. When you get one wrong, the explanation points at the specific thing you mixed up, so the quiz doubles as a way to find the cracks in what you know.
More than a one-off quiz
A single quiz is a snapshot. It tells you how you are doing right now, but it does nothing about the questions you missed. On its own you take it, see your score, and move on, which means the same gaps are still there next week.
Inside OmniStudy the same PDF becomes flashcards, notes and a live class, and the questions you get wrong are not forgotten. The system keeps them, brings them back in your next session, and shapes new quizzes around your weak spots so you spend your time where it helps most. The quiz here is the test; OmniStudy is what turns a bad score into a fixed one.
What else other than a quiz?
- Turns the same PDF into flashcards for the recall practice that comes before a quiz.
- Writes full study notes from it with headings, key terms and tables so you can read up before you test yourself.
- Sits you in a live class where an AI tutor walks through the material and quizzes you as it goes.
- Tracks every question you get wrong and brings the topic back before you would have forgotten it.
- Adapts the next quiz to what you keep missing, instead of asking the same things at random.
- Takes more than PDFs: paste a YouTube link, drop in slides, or just type the topic you want testing on.
Frequently asked questions
A quiz finds the gaps. OmniStudy closes them, free to start.
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The output is written by an AI model from the text in your file. It is a study aid, so give the result a quick read before you rely on it. Last updated June 2026.