React + CSS Compiler

function App() {
  return (
    <div className="container">
      <div className="card">
        <h2>Card 1</h2>
        <p>React component with separate CSS.</p>
      </div>
      <div className="card">
        <h2>Card 2</h2>
        <p>React component with separate CSS.</p>
      </div>
    </div>
  );
}

// Render the App component
ReactDOM.render(<App />, document.getElementById('root'));

Preview:

Click "Preview" to see your React component with CSS

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React + CSS Compiler: Your Complete Solution

Compile and test React components with integrated CSS styling in a single environment. Write JSX and CSS together, see live previews, and debug your UI components instantly.

Why is it Useful?

Combining React and CSS in one tool simplifies frontend development. This compiler:

Allows rapid prototyping of React components
Supports JSX syntax and CSS styling simultaneously
Provides instant visual feedback and error detection
Facilitates learning and testing React with styles
Eliminates the need for complex local setup

Key Features

JSX and CSS support: Write React code with inline or separate CSS
Live preview: See UI changes as you code
Error highlighting: Debug syntax errors quickly
Component isolation: Test components independently
Export code: Copy compiled React and CSS code easily

How to Use?

Enter your React component code with JSX syntax
Write associated CSS either inline or in the CSS panel
Observe live rendering of your component in the preview area
Fix any errors highlighted by the compiler
Copy or export the working React component with styles
Use the code in your projects or learning exercises

Use Cases

Ideal for:

Frontend developers: Quickly prototype UI components
React learners: Practice React coding with immediate results
Designers: Test CSS styles within React components
Educators: Demonstrate React + CSS concepts interactively
Code reviewers: Validate component functionality before integration

Benefits

Convenience: All-in-one environment for React and CSS
Efficiency: Speeds up component development and testing
Accessibility: No setup required, runs in-browser
Learning-friendly: Great for beginners and pros alike
Clean code export: Easily reuse compiled code

Frequently Asked Questions

Can I use external libraries in this compiler?

Currently, only basic React and CSS are supported without external dependencies.

Does it support CSS modules or styled-components?

This tool supports standard CSS; advanced styling methods are not supported yet.

Is the compiled code production-ready?

The output is meant for development and prototyping; further optimization may be needed for production.

Can I save my work?

You can copy your code manually; automatic saving is not implemented.

Is this tool free?

Yes, it is completely free and available online.