Can it un-minify compiled JS?

It will restore clean whitespace and line breaks, though original variable names minified by bundlers cannot be restored.

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JavaScript Formatter

Beautify, un-minify, and organize JavaScript code with clean indentation.

How to Use JavaScript Formatter

1Paste your JavaScript or JSON code snippet.
2Click Format JavaScript.
3Inspect the beautified code with proper line breaks and indentation.

Key Features & Benefits

Fast client-side syntax beautification
Proper indentation for block statements and functions
Supports ES6+ syntax patterns
One-click copy to clipboard

About JavaScript Formatter

Deobfuscate and format minified JavaScript code snippets. Adds proper line breaks, indentation after braces, and semicolons for easy reading and debugging.

Unlike traditional web tools that send your personal data, uploaded photos, or sensitive text to remote cloud servers, our JavaScript Formatter operates strictly inside your client browser sandbox. This guarantees high processing speeds without network throttling, and ensures your data privacy is completely preserved.

Frequently Asked Questions

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Developer ToolsPopular Tool100% In-Browser & Private

JavaScript Formatter

Beautify, un-minify, and organize JavaScript code with clean indentation.

Indent Spacing:

Minified / Unformatted JS Code

Beautified JavaScript

function calculateTotal(items,taxRate){
  let subtotal=items.reduce((sum,item)=>sum+item.price*item.qty,0);
  let tax=subtotal*taxRate;
  return{
    subtotal,tax,total:subtotal+tax
  }
  ;
}
const cart=[{
  price:10,qty:2
}
,{
  price:25,qty:1
}
];
console.log(calculateTotal(cart,0.08));

How to Use JavaScript Formatter

1Paste your JavaScript or JSON code snippet.
2Click Format JavaScript.
3Inspect the beautified code with proper line breaks and indentation.

Key Features & Benefits

Fast client-side syntax beautification
Proper indentation for block statements and functions
Supports ES6+ syntax patterns
One-click copy to clipboard

About JavaScript Formatter

Deobfuscate and format minified JavaScript code snippets. Adds proper line breaks, indentation after braces, and semicolons for easy reading and debugging.