Online HTML Viewer
A web-based HTML viewer that allows users to enter and view HTML code in real time. Perfect for testing and debugging HTML code, or for learning how different HTML elements and attributes are displayed in the browser.
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Our Online HTML Viewer lets you quickly render and inspect HTML code right in your browser without installing any software. Paste HTML markup or upload an .html file to see a live preview of the page, including images, styles, and scripts (sandboxed for safety). The viewer includes a split-screen mode so you can edit code and watch changes reflect in real time, plus options to view the generated DOM, page source, and applied CSS. It’s ideal for developers, students, designers, and content creators who need a fast way to test snippets, debug layout issues, or preview templates before deployment. Everything runs locally in your browser, so your code stays private. Save time when prototyping, learning, or validating HTML with this simple, powerful online tool.