Private / No Upload

Minify a CSS file privately

Minify valid CSS after formatting and checking syntax. The minifier removes extra whitespace for smaller output.

Runs in your browser

HappyFormatter tools process pasted snippets client-side for quick, privacy-first developer workflows.

No upload

HappyFormatter tools process pasted snippets client-side for quick, privacy-first developer workflows.

No account

HappyFormatter tools process pasted snippets client-side for quick, privacy-first developer workflows.

Steps

  1. 1 Paste valid CSS into the minifier.
  2. 2 Fix missing braces or syntax errors first.
  3. 3 Click Minify code.
  4. 4 Review byte savings and copy the compact CSS.

Before

Whitespace is removed from valid CSS.

.button {
  color: white;
  background: black;
}

Output

.button{color:white;background:black}

After

Minified CSS is smaller for transport.

.button{color:white;background:black}

Output

Compact CSS file

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