Khan Academy
Free world-class math education with practice exercises and videos.
Open the official app on www.khanacademy.org
This tool is hosted by its maintainers. Click below to open www.khanacademy.org in a new tab — it's their official demo.
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Choose how you want to get started.
Use it free
Open the official tool or demo — no account needed.
Self-host it
Run the open-source version on your own infrastructure.
What is Khan Academy?
Khan Academy is an open-source educational platform designed to provide free, structured learning resources across multiple subjects. Its primary purpose is to deliver interactive lessons, practice exercises, and instructional videos to support K-12 education and beyond. The tool is used by students, educators, and self-learners to address gaps in traditional education by offering personalized, self-paced learning experiences. It solves problems related to access to quality educational content, skill reinforcement, and supplemental instruction outside formal classrooms. The platform emphasizes mastery-based learning, allowing users to progress at their own pace through adaptive exercises and real-time feedback.
How it works
Khan Academy is a web-based tool that provides free educational content in subjects like math, science, history, and computer programming. It aims to make learning accessible by offering structured, interactive lessons that align with curricular standards. The platform addresses the challenge of equitable education access by removing financial barriers and providing tools for skill development. Its modular design allows users to focus on specific topics, making it suitable for both beginners and advanced learners. Khan Academy features interactive exercises with instant feedback, video tutorials, and progress tracking. Its open-source nature enables community contributions, such as the khan-exercises repository for building custom learning modules. The platform also integrates with GitHub for collaborative development of educational content.
How to use it
- 1Access the website via a supported browser and enable JavaScript to load core functionality. 2. Navigate to a subject area and select a topic. 3. Engage with video lessons or practice exercises. 4. Use the progress dashboard to monitor learning outcomes. Practical tips include disabling ad blockers and ensuring a stable internet connection for optimal performance.
What it can do
- free math courses
Use cases
Assumptions and limitations
Assumptions
- source: https://github.com/Khan
- license: MIT — free to use
- privacy: Opens an external demo
Limitations
- Requires JavaScript to function, which may be blocked by certain browser settings
- Limited advanced features compared to specialized educational software
- Depreciated khan-exercises framework may lack modern development tools
- No built-in collaboration features for group projects
- Content depth varies across subjects and grade levels
Understanding the result
Free world-class math education with practice exercises and videos.
Tool details
- Clearly flagged when a network request is needed.
- No account, no sign-up, and no tracking of your content.
- Powered by (MIT).
- Built with
- (https://github.com/Khan)
- License
- MIT
- Runs locally
- No — requires a network request
- Verification
- Not yet verified
- Input
- Query
- Output
- Text
Built with https://github.com/Khan. OpenToolVault provides the discovery and browser interface while crediting the original project maintainers.
- Built with
- License
- MIT
Open-source project
OpenToolVault is an independent directory. We are not affiliated with or endorsed by this project.
References
- / — GitHub Repository
Upstream project · GitHub
- MIT License
Upstream project
Frequently asked
How do I access Khan Academy's content?
Visit the official website and ensure JavaScript is enabled in your browser. Some features may require a stable internet connection. If prompted about JavaScript, check your browser settings or disable ad blockers that might interfere with loading.
How does Khan Academy's learning system work?
The platform uses a mastery-based approach where users complete exercises to demonstrate understanding. Incorrect answers trigger additional practice, while correct answers advance to new topics. Progress is tracked through a dashboard that highlights completed skills and areas needing improvement.
How do I create custom exercises for Khan Academy?
Contribute to the open-source khan-exercises repository on GitHub. Clone the repository, modify existing exercises or create new ones using its framework, then submit pull requests for community review. This requires basic knowledge of JavaScript and the project's coding standards.
How does Khan Academy compare to other learning platforms?
Unlike platforms like Coursera or edX, Khan Academy focuses on K-12 education with a strong emphasis on math and science. It differs from Duolingo by offering structured curricula rather than gamified language learning. Its open-source nature sets it apart from proprietary platforms with limited customization options.
What should I do if I encounter a loading error?
Refresh the page and verify JavaScript is enabled. Check for browser extensions blocking the site, ensure your internet connection is stable, and try a different browser. If issues persist, consult the GitHub repository's issue tracker for reported problems with the khan-exercises framework.