@babel/cli is a command-line interface (CLI) tool that enables you to transpile JavaScript files using Babel. It's the official CLI for Babel, allowing you to compile your code from ECMAScript 2015+ down to versions compatible with older browsers or Node.js environments. Using directives passed as arguments, It simplifies the process of processing individual files, directories, or entire projects, including watch mode for automatic recompilation upon file changes. @babel/cli facilitates seamless integration into diverse workflows and build processes.