Does JavaScript Minifier upload my files to a server?

No. JavaScript Minifier runs entirely in your browser using on-device processing, your files never leave your device.

JavaScript Minifier

Minify JavaScript by stripping comments and unnecessary whitespace.

Runs in your browser

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Simple whitespace/comment stripping — for full production minification (mangling, dead-code elimination), use a build-time tool like esbuild or Terser.

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Frequently asked questions

Does JavaScript Minifier upload my files to a server?

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