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HTML Viewer & Live Preview Tool (Free Online)
Free online HTML viewer with live preview. Paste HTML code and see it rendered instantly. Great for testing snippets and email templates.
developerFree · No signup · 100% browser-based
23 lines · 971 chars
index.html
Live Preview
🛡 Sandboxed iframe — your code runs safely in isolation·⚡ Live preview updates as you type
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Google AdSense · leaderboard
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Frequently Asked Questions
What is an HTML viewer?+−
An HTML viewer renders raw HTML code as a visual web page, so you can see exactly how it would look in a browser without creating a file.
Can I test JavaScript in the HTML viewer?+−
Yes. The live preview renders HTML, CSS, and JavaScript just like a browser would.
Is this tool safe for sensitive HTML?+−
All rendering happens locally in your browser using a sandboxed iframe. No code is sent to any server.
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About HTML Viewer
Free online HTML viewer with live preview. Paste HTML code and see it rendered instantly. Great for testing snippets and email templates.
This tool works entirely in your browser — no server uploads, no account required. Your data stays on your device at all times.
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