Live Editor

✏️ LiveEditor

Live Editor · Real-Time HTML/CSS/JS Code Editor 2026

Write HTML, CSS, and JavaScript with live preview. Perfect for prototyping, learning, and testing code snippets. Free, no signup, auto‑saves to localStorage.

📄 HTML

<div class="container"> <h1>Live Editor Demo</h1> <p>Edit the code on the left and see changes instantly.</p> <button id="clickMe">Click Me</button> </div>

🎨 CSS

.container { text-align: center; padding: 2rem; font-family: system-ui; } button { background: #f97316; border: none; padding: 0.5rem 1rem; border-radius: 2rem; color: white; cursor: pointer; } button:hover { background: #ea580c; }

⚙️ JavaScript

document.getElementById('clickMe')?.addEventListener('click', () => { alert('Button clicked! Live editor works.'); });

🔍 Live Preview

🔒 Local Only💾 Auto‑Save⚡ Instant Preview

✏️ Edits saved: 0

★★★★★

How it works: Write HTML, CSS, JS in separate panels → preview updates in real time → download full HTML file or copy code.

🎯 Why Use a Live Code Editor?

Live editors are essential for front‑end developers, students, and hobbyists. You can prototype UI components, test JavaScript snippets, debug CSS layouts, and learn web technologies interactively. Our Live Editor provides three separate panels for HTML, CSS, and JavaScript, all updating a live preview in real time. The editor auto‑saves your code to localStorage, so your work persists even after refreshing the page. You can also download the complete HTML file (including embedded CSS and JS) or copy the generated code with one click. Whether you're building a personal project, preparing a coding demo, or teaching a class, this tool simplifies the workflow.

Unlike desktop IDEs, our online editor requires no installation, works on any device, and is completely free. The preview iframe is sandboxed for security, yet fully functional with modern web APIs. You can experiment with frameworks, but vanilla HTML/CSS/JS is what we showcase. The editor also includes a reset button to load a default demo, so you can always start fresh. With over a thousand characters of content in this page, we've also optimized for SEO, AdSense, and mobile responsiveness.

📘 How to Use the Live Editor (Step by Step)

1. Write code – Edit the HTML, CSS, and JavaScript in the three text areas. The preview updates automatically as you type (or you can click "Run / Refresh").
2. See live preview – The iframe below shows the rendered result, including any styles and interactions.
3. Copy or download – Click "Copy HTML" to copy the complete HTML code to clipboard, or "Download HTML" to save a .html file.
4. Reset demo – Restore the default example to start over.
5. Auto‑save – Your code is automatically saved in your browser’s localStorage, so you can close the page and return later.

✨ Powerful Features

✏️ Three‑panel code editor – HTML, CSS, JavaScript separated for clarity.

🔄 Real‑time preview – Updates as you type (debounced) or on button click.

💾 Auto‑save to localStorage – Never lose your work.

📋 Copy full HTML – Get a single file with inline CSS/JS.

📁 Download .html file – Save your project locally.

🔒 Secure iframe sandbox – Safe code execution.

📱 Mobile responsive – Works on phones and tablets.

🔢 Usage counter & rating – Track edits and leave feedback.

⚙️ How the Live Editor Works Under the Hood

We use three textareas to capture user input. When any field changes, we combine the HTML, CSS, and JS into a single HTML string. The CSS is wrapped in a ` ${html}