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Safe HTML preview
Inspect static HTML in a restricted local sandbox.
HTML
HTML
Browser only
Your input and output are processed in this browser. They are not uploaded for processing. No account is required.
This tool needs JavaScript. If it does not load, refresh the page and try again.
How to use this tool
- Paste HTML source.
- Run the tool to inspect the sanitized static preview in its restricted sandbox.
- Download only if you want the original, unsanitized HTML source.
Examples
<h1>Hello</h1><p>A local preview.</p>
Limitations
Not a full browser app runner; scripts and external resources are disabled.
Downloaded HTML is the original unsanitized source.
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