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CSS Minifier — Compress & Optimize CSS

By Punit Bharadwaj
•
June 2026

Minified CSS loads faster because browsers download fewer bytes. Our minifier removes comments, whitespace, and unnecessary characters while preserving functionality — essential for production deployments.

Use CSS Minifier Now — Free

How to Use CSS Minifier

  • 1.

    Paste your CSS code

  • 2.

    Click Minify

  • 3.

    View the compressed output and size reduction

  • 4.

    Copy or download the minified CSS

Key Features

  • Removes comments and whitespace
  • Shortens color codes where possible
  • Shows before/after file size comparison
  • Preserves CSS functionality

When to Use This Tool

  • •

    Preparing CSS for production deployment

  • •

    Reducing page load time

  • •

    Meeting performance budgets

  • •

    Quick minification without build tools

Frequently Asked Questions

No. Minification only removes characters that don't affect rendering: comments, extra whitespace, and trailing semicolons.

Typically 20-40% smaller depending on how much whitespace and comments your source CSS contains.

Ready to get started?
Open CSS Minifier

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