Real-time fast code execution
Test and run JavaScript code snippets instantly. Our interactive playground allows you to see results in real-time, ideal for experimenting, learning, and debugging.
v2.0.0 just released
Free Run JS is the ultimate platform for running JavaScript at no cost.Download, deploy, and manage your projects in one place with all the toolsyou need completely free.
Free Run JS is a modern JavaScript playground where you can write, test, and share code in real time. With an intuitive interface and support for the latest ES6+ features, it offers the perfect space to experiment with your ideas without complex setup, ideal for both beginners and experienced developers.
Learn all the features. Our app is constantly growing and receiving ongoing updates.
Test and run JavaScript code snippets instantly. Our interactive playground allows you to see results in real-time, ideal for experimenting, learning, and debugging.
Enjoy an advanced code editor with syntax highlighting, autocomplete, and an integrated terminal. Everything you need to develop and test your code in one place.
Enjoy a lightweight and fast runtime environment that responds instantly to your changes, allowing you to iterate and experiment without unnecessary delays.
Customize your coding experience with an intuitive user interface. Adjust the theme, layout, and more to suit your working style.
Find answers to the most common questions about our JavaScript playground.
We currently support JavaScript and TypeScript, with plans to add more languages in the future.
Yes, our project is completely open source. All source code is available for you to review, modify, and distribute according to the terms of our license.
Yes, our tool is completely free for personal and commercial use. There are no hidden costs or premium payment plans in the future.
Absolutely! We welcome all contributions to our project. You can participate by submitting pull requests, reporting bugs, improving documentation, or suggesting new features on our GitHub repository. Check our contribution guide for more details.
Yes, security is one of our main priorities. We conduct regular security audits, follow industry best practices, and keep all dependencies updated to protect our users. Additionally, being open source, the community can review the code for potential vulnerabilities.
We create innovative tools for developers that enhance productivity and creativity.