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Interactive.

Intelligent.

Free.

Hands-on learning

Quizzes, flashcards, drag-and-drop, code sandboxes. Every lesson is built around doing, not just reading.

AI-powered courses

Type any topic. AI generates a complete course with modules, quizzes, and visualizations in seconds.

No strings attached

218+ courses across 21+ subjects. No paywalls, no subscriptions, no limits. Ever.

How ChaptrAI works

From topic to interactive course in three steps.

01

Pick a topic

Choose from 218+ ready-made courses or type any topic. From Python to psychology, calculus to cybersecurity.

02

AI builds your course

Our AI generates a full course in seconds β€” modules, quizzes, interactive widgets, and visualizations included.

03

Learn by doing

Work through interactive lessons, earn XP, and track your streaks. Every course is hands-on, not just reading.

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Built for deep learning

Quizzes

Four question types with instant feedback after every section.

Widgets

Five interactive widget types adapt to how you learn best.

Diagrams

Seven visualization types bring abstract concepts to life.

See what you'll actually learn with

Every module includes interactive quizzes, flashcards, and hands-on exercises. Here's a preview.

Binary Search Complexity

Step 1 of 3

Binary search divides a sorted array in half each iteration.

What is the time complexity of binary search?

Economics Flashcards

1 of 5

Sort the Layers

Interactive

Drag items into the correct category

Frontend

React
CSS

Backend

PostgreSQL
Node.js
Drag remaining items to sort: TypeScript

Track your progress

Streaks, XP, and certificates keep you motivated. See exactly where you stand.

chaptrai.com/dashboard
5 days
Streak
2,450
XP
3
Certificates
68%

Intro to Python

4/6 modules 12 min left
100%

Microeconomics 101

Completed Certificate

Explore 218+ courses

From beginner to expert across every major discipline.

STEM

  • Linear Algebra
  • Quantum Mechanics
  • Organic Chemistry
  • Thermodynamics
  • Calculus

Computer Science

  • Python Programming
  • Data Structures
  • Machine Learning
  • Web Development
  • Algorithms

Humanities

  • World History
  • Political Philosophy
  • Modern Literature
  • Art Movements
  • Ethics

Social Sciences

  • Cognitive Psychology
  • Microeconomics
  • Sociology 101
  • Behavioral Economics
  • Political Science

Business

  • Marketing Strategy
  • Financial Accounting
  • Startup Fundamentals
  • Management Theory
  • Data Analytics

AI-generated courses with interactive quizzes, flashcards, and visualizations β€” completely free.

Try it yourself and see what ChaptrAI can do.

Built for depth

Not surface-level summaries. Real courses with real depth.

Multi-module courses

5-7 modules per course, each with structured sections, quizzes, widgets, and visual diagrams.

Four difficulty levels

From beginner to expert. Pick your level or let the course guide you through progressive complexity.

Spaced repetition

Review prompts surface at the right intervals to help you retain what you have learned.

Generate any topic

Cannot find what you need? Type any topic and AI creates a complete course from scratch.

Why learners choose ChaptrAI

Everything you need. Nothing you don’t.

Interactive courses with quizzes, widgets, and certificates. No subscriptions, no upsells, no limits.

218+
Free courses

Across 17 subjects β€” no paywall

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Widget types

Quizzes, flashcards, drag-and-drop & more

AI
Course generation

Any topic, full course in seconds

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Free forever β€” seriously

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