HTML Code Runner

Test & Preview Instantly

                                     
                                    HTML
                                
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>My Page</title>
</head>
<body>
    <div style="text-align: center; padding: 50px; font-family: Arial, sans-serif;">
        <h1 style="color: var(--bright-blue); font-size: 3em; margin-bottom: 20px;">Hello World!</h1>
        <p style="font-size: 1.2em; color: #555;">Welcome to HTML Code Runner</p>
        <button onclick="changeColor()" style="background: linear-gradient(135deg, var(--bright-blue), var(--bright-blue-darker)); color: white; border: none; padding: 12px 24px; border-radius: 8px; font-size: 16px; cursor: pointer; margin-top: 20px;">Click Me!</button>
    </div>
</body>
</html>

                                     
                                    CSS
                                
body {
    margin: 0;
    background: linear-gradient(135deg, #f0f4f8 0%, #d9e2ec 100%); /* Lighter example bg */
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

h1 {
    animation: fadeInUp 1s ease;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
    transition: all 0.3s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

                                     
                                    JavaScript
                                
function changeColor() {
    const h1 = document.querySelector('h1');
    const colors = ['#ff6b6b', '#4ecdc4', '#45b7d1', '#96ceb4', '#feca57', 'var(--bright-blue)'];
    const randomColor = colors[Math.floor(Math.random() * colors.length)];
    h1.style.color = randomColor;
    
    // Add some animation
    h1.style.transform = 'scale(1.1)';
    setTimeout(() => {
        h1.style.transform = 'scale(1)';
    }, 200);
}

// Auto-run when page loads
document.addEventListener('DOMContentLoaded', function() {
    console.log('Code Runner loaded successfully!');
    // Example: Use bright blue in JS console log
    console.log('%cPowered by ProCodeRun!', 'color: var(--bright-blue); font-weight: bold;');
});

Live Preview

About HTML Code Runner

Professional web development testing environment

Creator

Jay Sangwani

Jay Sangwani Technology

Purpose

A powerful, fast, and intuitive code runner designed for developers to quickly test and preview HTML, CSS, and JavaScript code in real-time.

Features

Live preview, mobile view testing, fullscreen mode, code copying, syntax highlighting, and professional interface design.

Get In Touch

Have questions or suggestions? We'd love to hear from you!

Email Support

htmlcoderunner@support.com

Developer

Jay Sangwani

Jay Sangwani Technology

We appreciate your feedback and suggestions to help us improve this tool for the developer community.

Privacy Policy

Your privacy and data security are our top priorities

Zero Data Collection

HTML Code Runner is a simple, client-side application that operates entirely within your browser. We do not collect, store, or transmit any personal data, code content, or usage information to external servers.

No Cookies or Tracking

This application does not use cookies, tracking pixels, analytics services, or any form of user tracking technology. We do not monitor your browsing behavior, location, or device information.

No Location Tracking

We do not request, access, or track your geographic location or IP address. The application functions completely offline after initial loading and requires no location permissions.

Local Processing Only

All code execution, preview generation, and functionality happens locally in your browser. Your code never leaves your device and is not shared with any third-party services.

No Third-Party Services

This application does not integrate with social media platforms, advertising networks, or external analytics services. We maintain complete independence from data-collecting third parties.

Contact Privacy

If you contact us via email, that communication will only be used to respond to your inquiry and will not be shared, stored in databases, or used for marketing purposes.

Our Commitment

HTML Code Runner is designed as a privacy-first tool for developers. We believe in transparency and user control over personal data. This simple HTML code runner requires no registration, accounts, or personal information to use.