Online Bun Runtime

Learn Bun Js online with our free online Bun Js editor

Our Bun development environment offers a seamless platform to write, execute, and test Bun code directly in your browser. Whether you're new to Bun or an experienced developer, our interactive editor is a powerful tool to practice coding, experiment with Bun features, and enhance your JS skills with Bun. Run complex bun backends application directly from browser, Best part Bun Runtime is free to run.


  • Real-time Code Execution: Write Node.js code and instantly see the output without any installations or setup
  • Error Handling: Quickly identify and correct syntax errors in your code with helpful error messages
  • Terminal Support: Full Support of terminal, execute or install any runtime requirements directly from browser

How to Use?

  • Start Writing Code: Begin typing your Node.js code in the editor window.
  • Debugging: Review the editor's error messages to troubleshoot and refine your Node.js code.
  • Use terminal to have full support of Bun Environment

Tips for Learning Bun

  • Master the Basics: Start with simple Bun programs to grasp the language's fundamental concepts, such as modules, event-driven programming, and file system interactions.
  • Utilize Online Resources: Explore Bun tutorials, documentation, and developer communities to deepen your understanding and find solutions to coding challenges.
  • Practice Regularly: Consistent coding practice is essential for becoming proficient in Node.js and building real-world applications.
  • Experiment with npm Packages: Explore the extensive npm (Node Package Manager) ecosystem to leverage powerful libraries and frameworks in your projects.

Why Choose Newton School's Bun Editor

  • No installation Required: Enjoy the convenience of coding Bun right in your browser without any installations or downloads
  • User-Friendly Interface: Our Bun editor is designed for ease of use, making it accessible for both beginners and experienced developers.
  • Instant Feedback: Receive immediate results as you code, facilitating faster learning and iterative development.
  • Free to Use: Bun Playground will always free to use. Run and test any Bun related programs without think of cost or installation