CSS Minifier
The CSS Minifier compresses your stylesheets by removing unnecessary whitespace and formatting characters while preserving the intended CSS rules. Create a compact stylesheet for production websites and web applications, helping reduce the amount of CSS transferred to visitors. This free online CSS minification tool simplifies stylesheet optimization without requiring a build setup. Paste your CSS to generate minified output for your project.
Minify a short CSS rule. Load the example to see the tool in action.
What is CSS Minifier?
A CSS Minifier compresses stylesheets by removing unnecessary whitespace, comments, and supported formatting characters while preserving the intended CSS rules. Use this free online CSS minification tool to prepare compact stylesheets for production websites and applications and help reduce the amount of CSS transferred to visitors.
Why use this tool?
- Clean up code so it is easier to read and review.
- Compare the formatted result with the original before committing it.
- Handle a quick formatting task without opening an editor.
How to use CSS Minifier
- Step 1. Paste your code into the input area.
- Step 2. Run the formatter or tool and review the output.
- Step 3. Copy the result and run your project's own checks before using it.
Common use cases
Reduce CSS whitespace
A minifier can compress whitespace and remove comments while preserving the stylesheet's rules.
.card{display:flex;gap:1rem;padding:1rem}Important notes
- Formatting changes layout rather than behavior, but test important code after changing it.
- Language versions and style rules differ, so match your project's own settings.
More Code & Formatting Tools
CSS Minifier FAQ
What is CSS Minifier?
Minify CSS online by removing unnecessary whitespace and formatting characters. Reduce stylesheet size and prepare CSS for faster website delivery.
Do I need an account to use CSS Minifier?
No. You can use it without creating an account.