Online CSS Minifier & Beautifier Tool

Optimize your CSS stylesheets effortlessly with our free online CSS Minifier & Beautifier tool. Whether you want to reduce file size for faster page loads or format messy CSS for better readability, this tool helps you clean and optimize your CSS instantly, right in your browser.

Input CSS *

/* This is a CSS comment */
body {
  font-family: sans-serif; /* Changes the default font for the whole page */
  background-color: #f0f0f0; /* Changes the background color to light gray */
  margin: 0; /* Removes the default browser margin */
}

h1 {
  color: navy; /* Makes all H1 headings dark blue */
  text-align: center; /* Centers the H1 headings */
  padding: 20px; /* Adds space around the heading text */
}

p {
  line-height: 1.5; /* Increases spacing between lines of text */
  color: #333; /* Makes all paragraph text dark gray */
}

.container {
  /* This targets elements with the class="container" attribute */
  width: 80%; /* Sets the width to 80% of the screen size */
  margin: 20px auto; /* Centers the container horizontally on the page */
  padding: 15px; /* Space around content inside the container */
  border: 1px solid #ccc; /* Adds a light gray border */
  background-color: white; /* Sets the background to white */
}

#submit-button {
  /* This targets a specific element with the id="submit-button" attribute */
  background-color: green; /* Green background */
  color: white; /* White text */
  padding: 10px 20px; /* Adds padding (top/bottom and left/right) */
  border: none; /* Removes default button border */
  cursor: pointer; /* Changes mouse cursor to a hand icon on hover */
}

Original
0 bytes

Processed
0 bytes

Saved
0 bytes

Output

Auto Copy the Output Result to Clipboard

No sign-up. No uploads. No tracking. The Online CSS Minifier & Beautifier Tool helps you optimize your stylesheets for both performance and readability.

Online CSS Minifier & Beautifier Tool - CSS Compressor - Compress & Format CSS Instantly

What This Tool Does

Compress or Beautify CSS in One Click This tool allows you to:

Minify CSS by removing whitespace, comments, and unnecessary characters
Beautify CSS with clean indentation and readable formatting
Compare before vs after file size
Copy optimized CSS instantly

Perfect for developers, designers, and SEO professionals who care about performance and maintainability.

Why Minifying CSS Matters

Improve Page Speed & Core Web Vitals CSS minification plays a critical role in website performance. Smaller CSS files mean:

Faster page load times
Better Core Web Vitals scores
Improved SEO rankings
Reduced bandwidth usage

Search engines prioritize fast-loading websites, and minified CSS helps you stay competitive.

When to Beautify CSS

Keep Your Code Clean & Maintainable Beautifying CSS is ideal when:

You’re debugging styles
Working in a team environment
Reviewing legacy code
Preparing code for handoff or documentation

Readable CSS improves productivity and reduces errors.

What This Tool Does

Why Minifying CSS Matters

When to Beautify CSS

Get latest updates in your inbox