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HTML Viewer

Preview HTML safely in a sandboxed frame where scripts, forms and network requests are blocked.

Runs in your browserHTML → Preview
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Example

Input
<h1>Hello</h1>
<p onclick="alert(1)">World</p>
Output
<h1>Hello</h1>
<p>World</p>

How to use the HTML Viewer

  1. Paste or type your HTML into the input area, or open a file from your device.
  2. Adjust the options above the editor if the tool offers any.
  3. Review the Preview result, then copy it or download it as a file.

Privacy and limitations

  • Your data is processed on your device and is not uploaded to any server.
  • External images, fonts and stylesheets are blocked in the preview for privacy; inline styles and data: images work.

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