JavaScript Minifier

Shrink JavaScript by removing comments and collapsing whitespace to reduce file size.

Input
Output
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About the JavaScript Minifier

Smaller scripts load and parse faster. This minifier strips comments and redundant whitespace for a quick size reduction.

It runs locally and is best suited to quick, conservative minification of snippets.

How to use the JavaScript Minifier

  1. 1Paste JavaScript into the editor.
  2. 2Click “Minify JS”.
  3. 3Copy the compact code.

Key benefits

  • Smaller scripts.
  • Removes comments and whitespace.
  • Private and instant.

Real-world examples

Shrink a snippet

Minify a small script before embedding.

Frequently asked questions

Does it rename variables?+

No — this is conservative minification that does not mangle identifiers.

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