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CSS & JavaScript Minifier Online
Minify or beautify CSS and JavaScript code directly in your browser. Remove unnecessary comments and whitespace, compare code size, and copy the result when you are ready.
Input Code
Paste your CSS code here.
Output Code
Your processed code appears here.
Free CSS & JavaScript Minifier
This free CSS and JavaScript minifier helps reduce unnecessary whitespace, comments, line breaks, and formatting characters from code. Paste your code, choose CSS or JavaScript, and generate a compact version directly in your browser.
The tool also includes a beautify option for formatting code into a more readable structure. You can compare the original and output character counts before copying the result.
CSS Minifier
Use CSS mode to remove CSS comments and unnecessary whitespace. The resulting stylesheet is more compact and easier to use when you need a smaller formatted representation of your CSS code.
How to minify CSS
- Select CSS mode.
- Paste your CSS code into the input editor.
- Click Minify Code.
- Review the output and size difference.
- Copy the minified CSS.
JavaScript Minifier
JavaScript mode removes comments and unnecessary whitespace from the code entered into the editor. After processing, you can copy the resulting code or compare its character count with the original.
How to minify JavaScript
- Select JavaScript mode.
- Paste your JavaScript code into the input editor.
- Click Minify Code.
- Check the generated output.
- Copy the result to your clipboard.
Beautify CSS and JavaScript
Need to make compact code easier to read? Paste CSS or JavaScript into the editor and click Beautify Code. The tool adds indentation, line breaks, and spacing to create a more readable version.
Browser-Based Code Processing
The current tool processes pasted code in your browser. There is no file upload workflow on this page, making it convenient for quickly formatting or minifying code without sending the pasted code to a server.
CSS & JavaScript Minifier FAQs
What does a CSS minifier do?
A CSS minifier reduces unnecessary characters such as comments, whitespace, and line breaks while keeping the stylesheet in a compact form.
What does a JavaScript minifier do?
This tool removes comments and unnecessary whitespace from JavaScript and produces a more compact text representation of the code.
Can I beautify minified code?
Yes. Paste CSS or JavaScript into the editor and click Beautify Code to add formatting and indentation.
Does this tool upload my code?
The current page processes the pasted code in your browser and does not use a server upload workflow.
Can I see how much the code size changed?
Yes. After processing, the tool displays the original character count, output character count, and percentage difference.