What programming languages are supported?

The code editor supports 53 runtimes including JavaScript, TypeScript, Python, HTML, CSS, SQL, Java, C++, Go, Rust, Ruby, PHP, Swift, Kotlin, Lua, and many more. Each runtime gets full syntax highlighting and auto-completion.

How do I run code in the browser?

Select your language, write or paste your code, and click Run. For HTML/CSS/JavaScript projects, a live preview panel updates in real time as you type. Python, TypeScript, SQL, and Lua code can be executed directly in the browser without any server.

Is the code editor free to use?

Yes, the core code editor is free to use without signup. Use sample code for experiments and avoid putting secrets, private credentials, or confidential code into shared snippets.

What editor features are available?

Features include 10 themes (light and dark), Vim keybindings mode, 45 keyboard shortcuts, auto-completion and IntelliSense, code formatting on save, multi-file tab editing, search and replace with regex support, and the ability to share code via URL.

Can I share my code with others?

Yes, you can generate a shareable URL containing the code, selected language, and editor settings. Anyone with the link can view the shared snippet, so remove private information first.

Does the code editor work on mobile?

Yes, the editor is fully responsive and works on smartphones, tablets, and desktops. Touch-friendly controls and a mobile-optimized layout ensure a smooth coding experience on any device with a modern browser.

Code Playground

Write, run, and share code directly in your browser. Supports JavaScript, TypeScript, Python, HTML/CSS, SQL, and Lua.