UniToolHub

HTML Viewer

Preview HTML code with live rendering.

HTML Source
Live Preview
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About HTML Viewer

Preview HTML code in real-time. Paste your HTML and see an instant live preview. Supports CSS and inline styles for complete visual rendering.

How to Use

  1. 1

    Paste HTML

    Paste your HTML code into the editor.

  2. 2

    View preview

    See the rendered HTML instantly in the preview pane.

  3. 3

    Adjust and iterate

    Edit the HTML and see changes in real-time.

Examples

Styled HTML
Input: <h1 style='color: blue'>Hello</h1>
Output: Rendered blue heading

Frequently Asked Questions

Does it support CSS?
Yes, both inline styles and <style> blocks are rendered in the preview.
Is JavaScript executed?
For security, JavaScript execution is sandboxed in an iframe.
Can I test responsive design?
Yes, the preview area is resizable to test different viewport sizes.