JavaScript Minifier & Beautifier

Minify JavaScript to reduce file size by 40-60%, or beautify compressed code for readability. Handles ES6+, async/await, arrow functions, template literals. 100% client-side.

Input: 0 bytes Output: 0 bytes Saved: 0 bytes (0%)

About JavaScript Minification

JavaScript minification removes whitespace, comments, and shortens variable names to produce the smallest possible file. This reduces bandwidth, improves page load times, and is standard practice for production deployments.

What Minification Does

  • Removes all comments (single-line // and multi-line /* */)
  • Removes unnecessary whitespace, newlines, and indentation
  • Removes trailing semicolons where safe
  • Shortens true/false to !0/!1

What Beautification Does

  • Adds consistent indentation (2 spaces)
  • Adds line breaks after statements
  • Formats braces and brackets consistently
  • Makes compressed code human-readable again

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