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JavaScript Minifier & Compressor

Quickly minify JS code by removing comments and whitespace.

Raw JavaScript Input
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Formatted Output
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What is the JavaScript Minifier & Compressor?

The JavaScript Minifier removes whitespace and comments from JS files — reducing download sizes for faster script execution in production.

Who is the JavaScript Minifier & Compressor for?

For frontend developers and build engineers optimizing JavaScript bundle sizes.

How to Use the JavaScript Minifier & Compressor

  1. Paste your JavaScript code.
  2. Click Minify JS.
  3. Copy the compact output.

Worked Example

A 5KB utility script minifies to 2.8KB, reducing browser parse and execution time.

Frequently Asked Questions

Does it mangle variable names?

No. This minifier only strips whitespace and comments — it does not rename variable identifiers.

Does it mangle variables?

No, this is a lightweight client-side minifier that only removes whitespace and comments. It does not mangle variable names.

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