HTML Minifier

Minify HTML by removing whitespace and comments. Reduce HTML file size.

Input HTML

Minified Output

How to Use HTML Minifier

Paste your HTML code

Copy your HTML source code from your editor, CMS, or browser view-source and paste it into the minifier input area.

Configure minification options

Choose whether to remove HTML comments, collapse whitespace, remove optional tags, and minify inline CSS/JavaScript for maximum compression.

Minify the HTML

Click Minify to compress the HTML. The tool displays the minified output along with the size reduction percentage achieved.

Copy for production

Use the copy button to grab the minified HTML. Deploy it to your web server for faster page loads and improved user experience.

About HTML Minifier

HTML minifier online — compress HTML code by removing unnecessary whitespace, comments, and redundant markup for faster page loads. This free HTML minification tool strips line breaks, indentation, HTML comments, optional closing tags, and empty attributes while preserving content integrity. Essential for web performance optimization, reducing bandwidth usage, and improving Core Web Vitals scores. All processing runs in your browser for complete privacy.

Key Features

Minify HTML by removing whitespace, comments, and redundant attributes
Reduce HTML file size by 10-40% for faster page load times
Preserve essential whitespace inside pre, code, and textarea elements
Remove optional closing tags and empty attributes for maximum compression
Minify inline CSS and JavaScript within HTML documents
One-click copy of minified output ready for production deployment

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Frequently Asked Questions

How to minify HTML online for free?▾

Paste your HTML into the editor and click Minify. The tool removes all unnecessary whitespace, comments, and optional tags instantly. Copy the result for your production deployment. No signup required.

How to compress HTML without breaking the page?▾

The minifier only removes non-essential whitespace and comments. Content inside pre, code, and textarea tags is preserved. The visual rendering of your page remains identical.

How to reduce HTML file size for faster loading?▾

Minification typically reduces HTML size by 10-40%. Combined with gzip compression on your server, total bandwidth savings can reach 70-90% compared to uncompressed original files.

How to minify HTML with inline CSS and JavaScript?▾

The minifier can process inline CSS within style tags and JavaScript within script tags, removing whitespace and comments from embedded code as well as the HTML structure.

How to minify HTML for email templates?▾

Paste your email HTML and minify it to reduce size. This is especially important for emails since many email clients have size limits and smaller HTML loads faster on mobile devices.

How to improve Core Web Vitals with HTML minification?▾

Minified HTML reduces the initial document size, improving Time to First Byte (TTFB) and First Contentful Paint (FCP). This directly contributes to better Core Web Vitals scores.

How to undo HTML minification?▾

Use our HTML Formatter tool to beautify minified HTML back to readable format. The formatter adds proper indentation and line breaks without changing the rendered output.