How to use this tool

1. Fill in the inputs.
2. Read the result.
3. Copy or download as needed.

About the CSS Formatter

The CSS Formatter reorganizes a block of CSS into a clean, consistently indented, readable structure, or alternatively minifies it by stripping comments and unnecessary whitespace for production use. Paste in your CSS, choose Format or Minify, and get an instantly reorganized result.

Well-formatted CSS is much easier to scan for a specific rule or property, while minified CSS reduces file size for faster page loading — this tool lets you move freely between the two depending on whether you are actively editing the styles or preparing them for deployment.

Formatting works by inserting a line break and indentation after every opening brace, after every semicolon-terminated property declaration, and before every closing brace, which produces the familiar, standard "one property per line" CSS style that most developers and style guides expect. Extra blank lines that might have existed in the original are also collapsed down to keep the output clean and consistent.

Minification reverses the process: it strips out all comments (text between `/*` and `*/`), collapses any remaining whitespace down to nothing between meaningful characters, and removes any unnecessary trailing semicolon right before a closing brace, producing the smallest valid version of the same styles with no change to how they are applied.

Common use cases

• Reformatting minified or compressed CSS retrieved from a live website for easier reading and analysis.
• Cleaning up CSS that was pasted from a design tool or generator with inconsistent formatting.
• Minifying a stylesheet before deploying it to production to reduce file size and improve page load speed.
• Reviewing or editing someone else's CSS more comfortably by viewing it in a clean, standard format.
• Quickly stripping comments from a stylesheet before sharing or publishing it.

Tips and best practices

• Format your CSS while actively developing or debugging styles, and only minify the final version right before deployment, so you always retain a readable working copy.
• This tool performs straightforward whitespace and structural formatting rather than reordering properties or applying a specific style guide's conventions.
• Minified CSS removes comments entirely, so keep an unminified, commented version of your stylesheet as your source of truth for future edits.
• For very large stylesheets with many rules, formatting can make it significantly easier to visually scan for a specific selector or property.

Frequently asked questions