@babel/plugin-transform-json-modules allows Babel to transform JSON files into ES modules. This enables importing JSON data directly into JavaScript code with standard import syntax (e.g., import data from './data.json';). It simplifies working with JSON data by treating it as a standard JavaScript module, enhancing code readability and maintainability. This plugin eliminates the need for manual parsing or external libraries, making JSON integration seamless and efficient within Babel-driven projects.