JavaScript Minifier

Paste your JavaScript to minify it by removing comments and collapsing whitespace.

How to Use

  1. 1Paste your JavaScript source code into the editor.
  2. 2Select your preferred minification level.
  3. 3Click Minify to generate the optimized output.
  4. 4Copy the result or download the minified .js file.

Frequently Asked Questions

Will minification break my JavaScript?

No. The minifier applies safe transformations that preserve the behavior of your code. If your code runs correctly before minification, it will run correctly after.

What is the difference between minification and obfuscation?

Minification focuses on reducing file size by removing unnecessary characters. Obfuscation intentionally makes code difficult to read and reverse-engineer. This tool performs minification, not obfuscation.

Should I minify JavaScript for development?

No. Keep your development code readable and only minify for production builds. Source maps can bridge the gap if you need to debug production issues.