tool

CSS Formatter, Validator & Minifier

Clean your CSS without the headache. Format messy code, catch errors, and minify your stylesheets into smaller, cleaner CSS in seconds.

input
0 characters
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Result

paste your code and choose format or minify

Tool Overview

Messy CSS? Let's clean it up. This CSS formatter, validator, and minifier gives you everything you need to prepare your stylesheets for development and production. Format your CSS to make it easier to read and maintain, validate it to find syntax errors and invalid CSS properties, or minify it when you want a smaller file. Keeping CSS files small can reduce the amount of data a browser needs to download, which can help improve page loading times, especially when your stylesheet is large or contains lots of unnecessary whitespace and comments.

What can you do?

  1. 1. Format CSS
    Turn messy, compressed, or difficult-to-read CSS into clean and properly indented code. Consistent formatting makes stylesheets easier to understand, debug, review, and maintain.
  2. 2. Validate CSS
    Check your stylesheet for syntax errors, missing braces, invalid properties, unknown rules, and other CSS problems before using it in your project. Catching these issues early can save time when debugging styles that don't behave as expected.
  3. 3. Minify CSS
    Remove unnecessary spaces, line breaks, comments, and formatting from your stylesheet to create a smaller file. Smaller CSS files contain less data to transfer, which can help reduce download size and improve loading performance.
  4. 4. Copy the result
    Once your CSS has been formatted or minified, copy the result directly and use it in your project without any extra steps.

Why use this CSS tool?

CSS can become difficult to manage as a project grows, especially when stylesheets contain hundreds or thousands of lines. Proper formatting makes the code easier to scan and maintain, while validation helps you catch mistakes before they become harder-to-find styling issues. Minification is useful when preparing CSS for production because removing unnecessary characters can reduce file size and the amount of data that needs to be transferred to the browser. Use the formatter while developing, the validator when checking your code, and the minifier when you're ready to optimize the final stylesheet.