gulp-terser is a Gulp plugin that minifies JavaScript code using Terser. It optimizes code for production, reducing file sizes and improving website performance. It supports ES6+ syntax and provides options for customization, such as mangling variable names and compressing code. Integrating seamlessly with Gulp workflows, gulp-terser streamlines the process of preparing JavaScript assets for deployment. Easy to configure and use, it's a valuable tool for optimizing web projects.