Your data is never sent to a server or stored anywhere. All processing happens in your browser.

HTML Preview

Preview

How to Use

  1. Type or paste HTML code in the input area.
  2. The preview updates in real time in a sandboxed iframe.
  3. You can include inline CSS with <style> tags.

What Is HTML?

HTML (HyperText Markup Language) is the foundation of every web page. It defines the structure and content of a document using elements like headings, paragraphs, images, and links. Browsers read HTML to render the pages you see on the web. This tool lets you write or paste HTML snippets and see the rendered result instantly, making it ideal for quick experiments, prototyping, and learning without setting up a local development environment.

Features

  • Real-time preview that updates as you type, with no manual refresh needed.
  • Sandboxed iframe rendering that isolates your code for safe previewing.
  • Inline CSS support via <style> tags so you can style your HTML directly.
  • No external dependencies or setup required — just open the tool and start writing.
  • Works entirely offline once the page is loaded.

Sandboxed Preview

The HTML preview runs inside a sandboxed iframe with restricted permissions. Scripts are disabled for security. The iframe uses the sandbox attribute to prevent navigation, form submission, and other potentially harmful actions. This ensures safe previewing of any HTML content.

Use Cases

  • Quickly testing HTML snippets, layouts, and CSS styling.
  • Previewing email templates before sending.
  • Learning HTML and CSS with instant visual feedback.
  • Checking HTML output from other tools, generators, or AI assistants.
  • Prototyping UI components and page sections.
  • Debugging rendering issues by isolating HTML fragments.

Privacy

All rendering happens in your browser using a sandboxed iframe. No data is sent to any server.