JavaScript

Minify JS

Output compact JavaScript and remove comments.

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What does this tool do?

This tool removes comments and unnecessary whitespace from JavaScript while preserving strings, template strings and regular expressions.

Input: JavaScript code from small scripts or frontend files.
Result: Compact JavaScript code for copying or downloading.
Useful for: Smaller script files, faster delivery and simple deployment preparation.

Source by URL

HTTP/HTTPS up to about 1.5 MB

or upload a file

Allowed: .js, .mjs, .txt

JS safe mode (careful) Keep /*! license comments Remove // line comments

Show / hide explanation of the options

JS safe mode (careful): Conservative minification without risky syntax rewrites.

Keep /*! license comments: Keeps block comments that start with /*! such as MIT or GPL licenses.

Remove // line comments: Removes real // comments while preserving strings, URLs and RegEx literals.

Priority: If URL and upload are both provided, the upload wins. Then URL, then the text field.

Note: If URL and upload are both provided, the upload wins. Content is processed as UTF-8.

Input