Why should I minify both CSS and HTML?

100% Client-SideZero Uploads

CSS & HTML Minifier / Beautifier

Format, beautify, and minify your CSS and HTML code instantly. Free tool to clean up messy code or compress files for faster page loading speeds.

Input HTML

Output

output.html

How to Use CSS & HTML Minifier / Beautifier

Select your code type (CSS or HTML)

Paste your code into the input editor

Click 'Minify' to compress it, or 'Beautify' to format it neatly

Copy or download the resulting code

Why Use This Tool?

Faster Page Loads

Use minified files in production for a huge speed boost.

Easy Debugging

Use beautify to read compressed or messy code.

All-in-one

Format both your styling and structure in one place.

Free Online CSS & HTML Minifier & Beautifier

Easily minify or beautify CSS and HTML markup in real-time. Boost page speed, reduce payload transfer sizes, or format messy minified source code back into human-readable code.

Quick How-To Guide

1Paste your raw HTML or CSS code into the editor
2Select "Minify" to compress or "Beautify" to format with clean indentations
3Inspect the live output and file size savings comparison
4Click "Copy Code" to use in your project

Why use our tool?

Instant dual mode: Minify for production or Beautify for debugging

Detailed byte savings and compression percentage statistics

Cleans redundant comments, empty lines, and excessive indentation

100% client-side WebAssembly execution with zero server upload

1-Click Copy and file download capabilities

Frequently Asked Questions

Find answers to common questions about using our tool, its features, and how it handles your data privacy.

Minification removes unnecessary spaces, newlines, and comments, reducing file sizes by up to 20-40%. Smaller HTML and CSS payloads load faster over mobile connections, improving Google Core Web Vitals.