HTML Viewer - View and Preview HTML Code Online

HTML Viewer - Preview HTML Code in Real-Time

Our HTML Viewer is a powerful online tool that allows you to write, edit, and preview HTML code in real-time. Whether you're a web developer, designer, or student learning HTML, this tool provides an instant preview of your code without the need for external editors or servers.

Key Features

Real-time Preview: See your HTML changes instantly as you type
Safe Sandbox: Preview runs in a secure iframe with limited permissions
Sample Code: Load pre-built examples to get started quickly
Fullscreen Mode: Expand the preview for better viewing
Clean Interface: Split-screen layout for easy code editing and preview
No Installation: Works directly in your browser

How to Use the HTML Viewer

Enter HTML Code: Type or paste your HTML code in the left panel
View Preview: The right panel shows the live preview of your HTML
Make Changes: Edit your code and see changes instantly
Load Sample: Click "Load Sample" to see a beautiful example
Fullscreen: Use the fullscreen button for a better preview experience

Perfect For

Web Developers: Quick HTML testing and prototyping
Students: Learning HTML with instant visual feedback
Designers: Previewing HTML mockups and designs
Content Creators: Testing HTML snippets and embeds
Code Review: Sharing HTML code with live preview

HTML Basics You Can Test

Our HTML viewer supports all standard HTML elements including:

Text formatting (headings, paragraphs, lists)
Links and images
Tables and forms
CSS styling (inline and embedded)
JavaScript functionality
Responsive design elements

Security Features

The HTML preview runs in a sandboxed iframe with restricted permissions, ensuring that potentially harmful code cannot access your browser or system. This makes it safe to test HTML code from various sources.

Frequently Asked Questions

Is the HTML viewer safe to use?

Yes, the HTML viewer is completely safe. The preview runs in a sandboxed iframe with limited permissions, preventing any potentially harmful code from accessing your browser or system.

Can I use external CSS and JavaScript files?

The HTML viewer supports inline CSS and JavaScript, as well as embedded styles and scripts. However, external file references may not work due to security restrictions in the sandboxed environment.

Does the tool support all HTML5 features?

The HTML viewer supports most standard HTML5 features including semantic elements, forms, multimedia, and CSS3 styling. Some advanced features may be limited by the sandboxed environment.

Can I save my HTML code?

The HTML viewer is designed for quick testing and previewing. To save your code, you can copy it from the editor and paste it into your preferred text editor or development environment.

Is there a character limit for HTML code?

While there's no strict character limit, very large HTML documents may impact performance. For best results, keep your HTML code reasonably sized for quick testing and previewing.