Live Code Editor
Write HTML, CSS & JavaScript with instant preview
Editor
<!DOCTYPE html>
<html>
<head>
<style>
body {
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
padding: 2rem;
background: #f8f9fa;
color: #2d3748;
}
h1 {
color: hsla(238, 43%, 44%, 1);
margin-bottom: 1rem;
}
.container {
max-width: 800px;
margin: 0 auto;
}
.card {
background: white;
padding: 1.5rem;
border-radius: 8px;
box-shadow: 0 2px 4px rgba(0,0,0,0.1);
border: 1px solid hsla(238, 43%, 44%, 1);
}
</style>
</head>
<body>
<div class="container">
<div class="card">
<h1>Welcome to the Live Editor</h1>
<p>Start editing this code to see live changes in the preview panel.</p>
<p>Try changing colors, content, or adding new elements!</p>
</div>
</div>
</body>
</html>
Preview
Updating preview...
How to Use This Editor
-
1Edit the HTML, CSS, or JavaScript code in the editor panel. Syntax highlighting and auto-completion are supported.
-
2Watch the live preview update automatically as you type (500ms delay for performance).
-
3Switch between vertical/horizontal layouts using the control buttons above.
-
4Toggle between desktop and mobile preview modes to test responsiveness.
Frequently Asked Questions
What languages does this editor support?
This editor supports HTML, CSS, and JavaScript with syntax highlighting for all three languages.
Can I save my code?
Currently, you can manually copy the code or use browser tools to save it. Future versions may add save features.
How do I reset to default code?
Refresh the page to reset to the default code. Note that this clears your changes.
Can I use frameworks like React or Vue?
Yes, via CDN links in the HTML head. Use uncompiled versions as build tools aren't included.