gulp-umd simplifies creating Universal Module Definition (UMD) files for browser and Node.js compatibility within Gulp workflows. It wraps your JavaScript code in a UMD wrapper, allowing it to be used with various module loaders like AMD, CommonJS, or as a global script. This eliminates boilerplate and streamlines package distribution, ensuring your code runs seamlessly across different JavaScript environments using Gulp's automation. Effectively make your single gulp task able to work across multiple environments.