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AI Coding Quiz Generator

Reading code is easy - the exam asks you to think in it. Paste code, upload notes, or type a topic, and get questions that reveal whether you truly understand the concepts before the interview or exam does.

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Example prompts

1.5M+ questions generated across the top universities

Students at Cornell, Berkeley, Wharton, and 200+ other institutions use Ace Quiz to turn course materials into practice that actually sticks.

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AI Coding Question Generator

Try a sample coding quiz below. In practice, the AI generates questions from your own study materials — matched to your language, topic, and difficulty level.

JavaScriptEasy
Question 1 of 3
Which of the following is the correct way to declare a variable in JavaScript?
Pick an answer

Works with any coding material

Upload or paste programming content in any format. The AI reads your material and generates questions that test real understanding of the code and concepts.

PDF

Quiz from PDF

Upload programming textbooks, API docs, or tutorial guides. The AI reads the content and creates questions about the concepts and patterns it finds.

  • • Programming textbooks
  • • API documentation
  • • Coding tutorials
  • • Technical guides

Quiz from Code

Paste a code snippet, function, or algorithm. The AI generates questions about what the code does, potential bugs, output predictions, and underlying concepts.

  • • Code snippets
  • • Algorithm examples
  • • Function definitions
  • • Programming concepts

Quiz from Documents

Upload assignment files, project specs, or typed programming notes.

  • • Coding assignments (.docx)
  • • Project requirements (.txt)
  • • Programming notes (.rtf)
  • • Technical specifications

Quiz from Videos

Link a coding tutorial or bootcamp lecture from YouTube. The AI pulls out the programming concepts covered and builds questions from them.

  • • Programming tutorials
  • • Coding bootcamp videos
  • • Technical presentations
  • • Online lectures

Quiz from Repositories

Paste a README, documentation page, or code file from GitHub. Good for testing understanding of an open-source project or library.

  • • GitHub repositories
  • • README files
  • • Code documentation
  • • Project structures

Quiz from API Docs

Upload or paste API references, framework guides, or technical specs. The AI creates questions about endpoints, methods, parameters, and usage patterns.

  • • API documentation
  • • Technical specifications
  • • Programming references
  • • Framework guides

More AI Study Tools

Quizzes are just the start. One workspace, a full suite of AI study tools to learn any subject faster.

Every programming language covered

From frontend frameworks to backend languages to interview-focused data structures — the AI generates questions matched to your language and skill level.

JS

JavaScript

Variables, functions, DOM manipulation, async/await, and ES6+ features. The AI generates questions that test both syntax knowledge and conceptual understanding of how JS works under the hood.

Key Topics:

  • Variables & functions
  • DOM manipulation
  • Async programming
  • ES6+ features

Python

Data structures, OOP, libraries, and algorithm implementation. Works well for both CS coursework and self-taught developers preparing for interviews.

Key Topics:

  • Data structures
  • Object-oriented programming
  • Libraries & frameworks
  • Algorithm implementation

Java

Classes, inheritance, interfaces, multithreading, and exception handling. The AI creates questions at the right level whether you're in an intro course or studying for a certification.

Key Topics:

  • Classes & objects
  • Inheritance
  • Multithreading
  • Exception handling

React

Components, JSX, state management, hooks, and lifecycle. Upload your React project code or course notes and get quizzed on modern development patterns.

Key Topics:

  • Components & JSX
  • State management
  • Hooks
  • Component lifecycle

SQL

Queries, joins, database design, and performance optimization. The AI generates questions that test whether you can write correct queries, not just recognize keywords.

Key Topics:

  • Query basics
  • Joins & relationships
  • Database design
  • Performance optimization

Data Structures & Algorithms

Arrays, linked lists, trees, graphs, hash tables, and complexity analysis. The most important topic for coding interviews — the AI creates problems at multiple difficulty levels.

Key Topics:

  • Arrays & linked lists
  • Trees & graphs
  • Hash tables
  • Algorithm complexity

How it works

Go from code to quiz in under a minute

1

Upload or paste

Drop a PDF of your programming textbook, paste a code snippet, or type a topic like "Python list comprehensions."

2

Set your preferences

Pick the difficulty, number of questions, and format (multiple choice, code output prediction, short answer, or a mix).

3

Practice and review

Take the quiz, check the correct answers with explanations, and see which programming concepts need more work.

Why developers use this for coding practice

Built for people who learn by doing — whether you're preparing for interviews, studying for exams, or leveling up on a new language.

Understands code, not just text

Paste a function and the AI generates questions about what it does, what it returns, and where it might break. It reads code as code.

Covers beginner to advanced

From basic variable declarations to dynamic programming and system design. Set the difficulty to match your level or push yourself.

Great for interview prep

Data structures, algorithms, and system design questions at the difficulty level used by real tech companies.

Works with any language

Python, JavaScript, Java, C++, Go, Rust, SQL, and more. Upload materials in any programming language and the AI adapts.

Start practicing code now

Paste a snippet or upload your notes and get quiz questions in seconds. Free, no credit card needed.

1

Your material → exam-hard questions

Upload your slides, notes, or textbook. The AI writes questions at the depth your real exam demands.

2

Practice under real conditions → timed mock exam

Sit a timed mock built from your course, not a generic bank, so exam day feels familiar.

3

Walk in knowing you're ready

See exactly which concepts hold and which need another pass before the exam.

Try a timed mock →Meet your AI Tutor

Frequently Asked Questions

What programming languages does it support?
All major languages — Python, JavaScript, Java, C++, Go, Rust, SQL, React, and many more. You can also type any specific topic like "async/await in JavaScript" or "Python decorators" and the AI generates questions on that.
Can I paste code and get quizzed on it?
Yes. Paste a function, class, or algorithm and the AI creates questions about what the code does, what it outputs, where it might fail, and what concepts it uses. This is one of the most effective ways to test your understanding.
What types of questions does it create?
Multiple choice, code output prediction, short answer, true/false, fill-in-the-blank, and debugging questions. You can pick one format or let it mix types.
Is it useful for coding interview preparation?
Yes. Set the difficulty to hard and focus on data structures, algorithms, or system design. The AI generates questions similar in style and complexity to those used in technical interviews.
Can it read handwritten code from a whiteboard photo?
Yes. Upload a photo of handwritten code, a whiteboard diagram, or a notebook page. The AI reads the code and generates questions from it.