JS Formatter

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JavaScript

Beautify or minify JavaScript; convert ESM↔CJS modules; check JS syntax; obfuscate JavaScript code.

Common uses

  • Beautify minified third-party code
  • Convert require() calls to ES module imports
  • Obfuscate JavaScript for client-side protection

Frequently asked questions

Can I use JavaScript to beautify minified third-party code?

Yes. JavaScript can beautify minified third-party code, directly in your browser.

Can I use JavaScript to convert require() calls to ES module imports?

Yes. JavaScript can convert require() calls to ES module imports, directly in your browser.

Can I use JavaScript to obfuscate JavaScript for client-side protection?

Yes. JavaScript can obfuscate JavaScript for client-side protection, directly in your browser.

Is my data uploaded to a server?

No. This tool runs entirely in your browser — your input is processed locally on your device and is never uploaded or stored on a server.