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JavaScript Minifier

Strip comments and excess whitespace from JS.

Runs locally · nothing uploaded

How to use this tool

  1. 1Paste your code into the input panel.
  2. 2Click the action button for what you need — format or minify.
  3. 3Copy the cleaned-up result.

Frequently asked questions

Will this tool change the logic of my code?
No — formatters only adjust whitespace and indentation for readability, and minifiers only remove unnecessary characters. Neither changes what your code does.
Is my code sent anywhere?
No. Formatting and minifying happen entirely in your browser tab, so your source stays on your device.

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