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Format, beautify, sanitize, minify, and inspect HTML code online. Clean unindented markup, strip comments, encode entities, and preview rendered HTML instantly with 100% browser privacy.
Paste unformatted HTML into the editor pane or click "Reset Sample" to inspect example markup.
Choose 2-space, 4-space, or Tab indentation, toggle comment stripping, or encode/decode HTML special entities.
Copy formatted or minified HTML, download clean .html files, or switch to Sandboxed Preview to inspect visual output.
Zero server network requests. Your HTML code, template strings, and content blocks stay entirely inside your web browser.
Formats unorganized HTML markup with clean 2-space, 4-space, or Tab indentation and proper tag hierarchy.
Compresses HTML source code by stripping whitespace, line breaks, and HTML comments for fast web loading.
Safely converts special characters (<, >, &, ", ') into standard HTML entities and decodes entities back to plain text.
Renders formatted HTML in an isolated iframe sandboxed container with instant real-time visual output updates.
Live real-time count of total elements, document depth, character reduction, and byte size savings.
Our HTML Formatter engine is open source under HiMat Technology. Inspect the code, star the project, or contribute on GitHub.
HiMat's HTML Formatter executes entirely client-side inside browser memory using native DOM and JavaScript parsing engines. Your HTML source code, proprietary web components, and confidential client markup are never sent across the network.
No. The HiMat HTML Formatter & Beautifier operates 100% locally in your web browser. Neither your HTML source code nor preview data is ever transmitted across the network.
The minifier strips unnecessary line breaks, multi-space indents, and HTML comments without breaking valid inline tags or textual whitespace required for rendering.
Yes! The live preview renders in a secure, sandboxed `iframe` without script execution context, preventing accidental script execution or cross-site scripting risks during inspection.
Yes, 100% free forever without registration, rate limits, or advertisements.
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HiMat Technologies designs and builds high-performance Next.js SaaS platforms, AI-native applications, and scalable web architectures for fast-growing companies worldwide.