HTML Minifier

Minify only

Minifies HTML text only. User JavaScript is never executed.

Developer Quick Tips

• Paste HTML and press Ctrl/Cmd + Enter to minify instantly. Comments and extra whitespace between tags are removed while text content stays intact.
• Minify HTML online before production deployment to reduce file size and improve page load times without side effects.
• Download minified HTML as minified.html or copy directly from your browser for embedding in email templates and inline code snippets.
• Format HTML online first using the HTML Formatter tool, then minify to compare file size and validate structure before deployment.
• Compress HTML locally without uploading to servers. Your input stays on your device for the current session only.

Frequently asked questions

What does an online HTML minifier remove?

An online HTML minifier removes HTML comments (<!-- -->) and collapses extra whitespace between tags (newlines, indentation, multiple spaces). Spaces inside text nodes like <p>Hello world</p> are preserved so your content displays correctly.

Can I minify HTML online without uploading my code?

Yes. This tool runs entirely in your browser. Your HTML input is never uploaded to DevToolMate servers. Everything happens locally on your device, and your input is cleared when you close the tab.

How do I format HTML online before minifying?

Use the HTML Formatter tool to pretty-print and validate your markup first. Once formatted, copy the output and paste it into HTML Minifier to compress it. This workflow helps you review structure before production deployment.

What are common use cases for minifying HTML online?

Minifying HTML is useful for embedding snippets in email templates, reducing deploy artifact size, preparing compact markup for storage or comparison, optimizing hand-authored markup during prototyping, and shrinking static HTML files for faster page load times.

Does this online HTML minifier execute JavaScript or render styles?

No. HTML Minifier processes your input as text only. Scripts are never executed and styles are not applied. It is safe to minify any HTML snippet without side effects.

Is this free online HTML minifier private and secure?

Yes. Completely free, requires no account, and runs locally in your browser. Your input never leaves your device for the current session.

Related tools

• HTML Formatter: Format HTML online free with pretty-print indentation. Beautify minified markup in your browser, no upload, no account required.
• CSS Formatter: Format and beautify CSS online in your browser. Pretty-print minified stylesheets with custom indentation. No upload, no account, privacy-first.