CSS Minifier & Formatter
CSS Minifier compresses CSS by stripping whitespace and comments (reducing file size by 20–60%), and can beautify minified CSS back to readable, indented form. Runs entirely in your browser.
Last updated: July 2026
A CSS minifier removes whitespace, comments and unnecessary characters from CSS to reduce file size for faster page loads. It also beautifies minified CSS back to readable form. All processing runs in your browser; your CSS is never uploaded.
🔒 Runs in your browser — your CSS never leaves your device.
How to use CSS Minifier & Formatter
- Paste your CSS code.
- Click Minify to compress or Format to beautify.
- Copy the result and see the size savings.
Frequently asked questions
How much smaller will my CSS get?
Typically 20–60% smaller depending on how much whitespace and comments your original CSS has.
Can it reverse minification?
Yes — the Format button adds proper indentation and line breaks to minified CSS.
Is my CSS uploaded?
No — minification runs entirely in your browser.
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