Prototype a button
Sample
<button class="px-4 py-2 rounded bg-black text-white">Save</button>
What you get
Edit live HTML/CSS in the sandbox and preview before pasting into CMS.
Online HTML Editor with Live Preview
Need to quickly prototype HTML, test a CSS snippet, or debug a JavaScript fragment? This online editor gives you a split-pane workspace with syntax-highlighted code on one side and a live rendered preview on the other — no setup, no installs.
Online HTML Editor with Live Preview
How to Use This Tool
- Write or paste your HTML, CSS, and JavaScript in the code panels.
- See the live preview update as you type.
- Toggle the console panel to debug JavaScript output.
- Download the result as a single HTML file.
Features
- Split-pane editor with live rendered preview
- Syntax highlighting for HTML, CSS, and JavaScript
- Built-in JavaScript console output
- Download as self-contained HTML file
- Responsive preview mode for testing mobile layouts
Example
Frequently Asked Questions
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