Does it rename variables?

This tool removes whitespace and comments. For full mangling, use Terser or UglifyJS locally.

Will it break my code?

Removing whitespace and comments never breaks valid JavaScript.

Can I beautify minified JS?

Yes, there is a Beautify option to format compressed JavaScript.

What about source maps?

Source map generation is not supported in this online tool.

Does it handle ES2020+ syntax?

Yes, modern JS syntax is supported.

es6

JavaScript Minifier — es6

Minify JavaScript code online. Remove whitespace and comments to reduce bundle size.

JavaScript input

Note

This is a basic minifier (removes comments and whitespace). For production use, consider tools like Terser or esbuild which also perform variable renaming and tree-shaking.

How to use JavaScript Minifier

Paste JavaScript

Paste your JS code into the input.

Minify

Click Minify to compress the JavaScript.

Copy

Copy the minified JS for use in production.

Frequently Asked Questions

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