Online JavaScript Minifier

Minify JavaScript code instantly with this free JS minifier. Reduce file size, remove unnecessary characters, and improve website loading speed. Simple, fast, and no registration needed.

Input


Output


What is a JS Minifier?

A JavaScript (JS) minifier compresses your code by stripping out unnecessary characters like whitespace, line breaks, comments, and formatting.

This reduces the file size without affecting the behavior of your script. Minifying JavaScript helps pages load faster, improves performance, and is essential for modern web optimization.

How to Use This Tool

  1. Insert your raw JavaScript code into the left textarea.
  2. Click the “Minify” button.
  3. The page reloads automatically.
  4. Your minified JS will appear in the right textarea.
  5. Copy the output and use it in your project.