JavaScript Minifier / Formatter
Clean, beautify, and minify JavaScript online for better readability, smaller file sizes, and faster websites
Input JavaScript
Example
Messy JavaScript
function add(a,b){return a+b};console.log(add(1,2));Formatted JavaScript
function add(a,b) {
return a+b;
}
console.log(add(1,2));Paste your JavaScript
Enter or paste your JavaScript code into the input field
Choose format or minify
Click "Format JavaScript" for readability or "Minify JavaScript" to compress
Copy the result
Copy the formatted output to your clipboard
Popular search phrases
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Guides & Resources
Learn how to use this tool effectively with our comprehensive guides and tutorials.
How to Compare Two Files for Code Review
Spot text and code differences faster when reviewing snippets, config files, and version changes.
JSON Formatter Guide: Pretty Print, Validate, and Fix Common Errors
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Help developers clean API responses, inspect encoded strings, and resolve formatting issues without leaving the browser.
Frequently Asked Questions
Find answers to common questions about this tool
What does a JavaScript formatter do?
It reformats JavaScript with consistent spacing and line breaks to make the code easier to read and review.
What does a JavaScript minifier do?
It compresses JavaScript output by removing comments and extra whitespace, producing a smaller and more compact version of the code.
Is this JavaScript tool free?
Yes. You can use it online for free without signup.
Can I use JavaScript Minifier / Formatter online for free?
Yes. You can use javascript minifier / formatter online for free with no signup or paid plan required.
Does JavaScript Minifier / Formatter run directly in the browser?
Yes. JavaScript Minifier / Formatter is designed around secure browser-based processing so your workflow stays fast and privacy-conscious.
Can I use JavaScript Minifier / Formatter on mobile, tablet, and desktop?
Yes. JavaScript Minifier / Formatter works in modern mobile browsers as well as on tablet and desktop devices.