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Original JavaScript

Minified JavaScript

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What is JavaScript Minifier?

JavaScript Minifier is a free online tool that minifies JavaScript code to reduce file size. Remove whitespace, comments, and optimize code.

Features

  • Remove comments and whitespace
  • Remove line breaks
  • See file size savings
  • Copy or download minified code
  • 100% client-side

Frequently Asked Questions

Is this tool free to use?

Yes, JavaScript Minifier is completely free. No registration required.

Is my data secure?

All processing happens in your browser. Your data never leaves your device.