HTML/CSS Minifier

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Boost your site's performance. Minify HTML, CSS, and JSON by stripping comments and unnecessary whitespace.

Source CSS

Minified Result

.example{color:red;margin:10px 20px}

Saved 34 Characters48.6% Smaller

About the HTML/CSS Minifier

Boost your website's performance with our professional HTML and CSS minifier. Reduce file sizes by removing unnecessary whitespace, comments, and redundant characters without changing your code's functionality.

How to use the HTML/CSS Minifier

1Choose between HTML or CSS minification modes.
2Paste your source code into the editor.
3The minified version is generated instantly.
4Copy the result and check the 'Saved Characters' metric for performance gains.

Why people use it

Optimize production assets for faster page loads.
Clean up generated code before deployment.
Reduce the payload of inline styles and scripts.
Improve Core Web Vitals scores for your website.

Frequently asked questions

Is it safe to minify production code?

Yes. Our minifier removes only non-functional characters like whitespace and comments. However, always test your minified code in a staging environment first.

Does it support JavaScript?

This tool currently focuses on HTML and CSS. For JS, we recommend specialized tools like Terser or ESBuild.