CSS Minifier & Beautifier
Compress CSS for production or beautify it for readability.
5.0 (1 rating)Processing and privacy
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Clear instructions
Find steps, examples and limitations below.
Use online
Open the tool in a supported web browser.
Free to use
No sign-up required. Tool-specific limits may apply.
How to use the CSS Minifier & Beautifier
Minify CSS for compact output or beautify it for easier reading.
- 1 Paste CSS and choose Minify or Beautify.
- 2 Inspect Result and the size summary.
- 3 Copy the output and test it with the pages that use those styles.
Example and practical tips
Beautify a compact rule set before reviewing it, then minify a separate copy for delivery.
Frequently asked questions
Does minifying remove unused styles?
No. This tool focuses on text formatting and cleanup, not a project-wide unused-CSS analysis.
Can I skip testing the generated CSS?
No. Keep the source and check layout, custom properties and special syntax in the target browser.
Practical guides
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How to Use CSS Minifier & Beautifier
Minify CSS online to reduce file size, or beautify it for easier reading. Free CSS minifier and formatter that runs in your browser. Copy in one click.
Report an issue
Something broken or not quite right? Tell us and we will look into it.