CSS Formatter & Minifier

Beautify and indent stylesheet code or compress CSS for fast web production performance.

Indent:

Source CSS308 bytes

Beautified CSS (355 bytes)

.container {
  max-width:1200px;
  margin:0 auto;
  padding:1rem
}
.btn-primary {
  background-color:#6366f1;
  color:#ffffff;
  border-radius:0.5rem;
  padding:0.5rem 1rem;
  font-weight:600;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  transition:background-color 0.2s ease
}
.btn-primary:hover {
  background-color:#4f46e5
}

How to Use the CSS Formatter & Minifier

Paste your CSS stylesheet rules into the editor.

Choose your preferred indentation style (2 spaces, 4 spaces, or tabs) or switch to Minify mode.

Copy or download the clean formatted stylesheet.

Key Capabilities & Features

•Configurable indentation and rule formatting
•High-efficiency minifier stripping comments and redundant whitespace
•Real-time file size comparison and byte savings calculation

Input FormatsCSS (.css)

Output FormatsFormatted CSS, Minified CSS

100% In-Browser Privacy Guarantee

Your files and data remain strictly on your device. All computations, image processing, and PDF manipulations happen locally in your web browser via WebAssembly and HTML5 APIs. No files are uploaded or stored on any remote servers.

Read our privacy architecture

View all Developer tools →

JSON Formatter

Pretty-print, minify and validate JSON.

XML Formatter

Pretty-print, minify, clean and validate XML data.

Diff Checker

Compare two text or code files side-by-side with line-by-line diff highlighting.

JSON to CSV

Bidirectional converter between JSON arrays and CSV spreadsheet tables.