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Live HTML/CSS/JS Editor

Write code and see instant preview. Like CodePen, but free and in your browser.

HTML Lines: 0
CSS Lines: 0
JavaScript Lines: 0
Live Preview
Console
Auto-run: ON
Last run: Never
Preview ready

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About This Tool

Write HTML, CSS, and JavaScript code and see the result instantly. Perfect for testing snippets, learning web development, or prototyping ideas.

Features

Pro Tip: Use the console to see JavaScript errors and log messages. Press Ctrl+Enter to manually refresh the preview.

Frequently Asked Questions

How to use the live HTML/CSS/JS editor online for free?

Simply write your HTML, CSS, and JavaScript code in the respective editors. The preview updates automatically as you type. You can also click the Run button (Ctrl+Enter) to manually refresh. No registration required!

Does this tool support syntax highlighting?

Yes! Our editor uses CodeMirror for professional syntax highlighting. HTML, CSS, and JavaScript all have color-coded syntax to make coding easier and more enjoyable.

How do I see JavaScript console output?

The console panel at the bottom of the preview shows all console.log messages, errors, and warnings from your JavaScript code. Use the clear button to reset the console.

Can I download my code as a complete HTML file?

Yes! Click the Download button to save your code as a single HTML file containing all your HTML, CSS, and JavaScript. Perfect for sharing or saving your projects.

What keyboard shortcuts are available?

Press Ctrl+Enter (or Cmd+Enter on Mac) to manually refresh the preview. The editor also supports standard text editing shortcuts like Ctrl+Z (undo), Ctrl+Y (redo), and Ctrl+F (find).

Is this a free alternative to CodePen?

Absolutely! Our live editor is completely free and works entirely in your browser. No account needed, no limits on usage. Perfect for testing snippets, learning web development, or prototyping ideas.

Is this live editor free to use?

Yes, completely free! Guest users get 3 free uses. For unlimited access, sign up for free - no credit card required.

Can I use external libraries or frameworks?

Yes! You can include external libraries like jQuery, React, or Tailwind CSS by adding the appropriate CDN links in your HTML. The preview will load and execute them normally.