Build an Online Code Compiler with Next.js 15: JavaScript, Python, C++, Java, and More!

Create a dynamic code compiler using Next.js 15, Judge0 API, and Tailwind CSS in this beginner-friendly tutorial.

Take your web development skills to the next level by building a powerful online code compiler with Next.js 15. This comprehensive guide walks you through setting up a responsive code editor that supports JavaScript, Python, C++, and Java, powered by the Judge0 API for real-time code execution. Learn how to implement a language selector, error handling, and output panel to deliver a seamless user experience. Whether you’re a beginner exploring API integrations or an experienced developer looking for a fun project, this tutorial has everything you need to create a versatile code compiler from scratch.

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