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What is CSS Minifier?
Minify and beautify CSS code instantly. Our CSS Minifier removes unnecessary whitespace, comments, and redundant code to reduce file size and improve page load performance. The beautify mode formats minified CSS back into readable, properly indented code.
Key Features
How to Use CSS Minifier
Paste your CSS code into the input field
Select minify or beautify mode
Click Submit to process your CSS
Copy the optimized output or download the file
Common Use Cases
Tips & Best Practices
Always keep your original CSS source — minified code is hard to edit
Use beautify when working with third-party minified CSS to understand its structure
Combine with JS and HTML minification for maximum page speed improvement
Frequently Asked Questions
How much can minification reduce file size?
Typically 20–50% reduction depending on how much whitespace and comments exist. Heavily commented code sees the biggest gains.
Is minified CSS still valid?
Yes — minification only removes non-functional whitespace and comments. The resulting CSS is functionally identical.
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