What does JavaScript minification do?

It removes whitespace, comments, and shortens code to reduce file size without changing functionality.

Is this a production-grade minifier?

This is a basic minifier. For production, consider tools like Terser which also mangle variable names.

Can I beautify minified code?

Yes, use the Beautify mode to add proper indentation and formatting to compressed code.

JavaScript Minifier & Beautifier

Minify JavaScript to reduce file size or beautify for readability. All processing happens in your browser.

Original

305 B

Minified

207 B

Saved

98 B

Reduction

32.1%

Input JavaScript

Minified JavaScript

function calculateSum(numbers){let total=0;for(let i=0;i<numbers.length;i++){total+=numbers[i]}return total}const myNumbers=[1,2,3,4,5];const result=calculateSum(myNumbers);console.log("The sum is:",result);

Why Minify JavaScript?

Reduce file size for faster page loads
Decrease bandwidth usage and costs
Improve website performance and SEO
Remove comments and unnecessary whitespace

Note: This is a basic minifier. For production use, consider tools like Terser or UglifyJS which can also mangle variable names.

Related Tools

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