JavaScript Minifier

Remove comments and unnecessary whitespace from JavaScript code. All processing done in your browser.

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How to Use

  1. 1

    Paste your JavaScript code into the left editor.

  2. 2

    Click Minify JS — comments and whitespace are removed instantly.

  3. 3

    Copy or Download the output as .min.js.

📖 Want to learn more?

Read our in-depth guide: tips, best practices, FAQs, and real-world examples.

  • Safe: only removes comments and whitespace
  • Always name output files .min.js
  • Vite and Webpack auto-minify in production builds
Full Guide