rollup-plugin-buble is a Rollup plugin that utilizes Bublé, a fast and lightweight ES2015 transpiler. It efficiently transforms modern JavaScript (ES2015+) code into widely compatible ES5, ensuring broader browser support. Specifically designed for Rollup, it seamlessly integrates into your bundling process. This plugin enables developers to write code with new JavaScript features, automatically converting it for older environments. Easy to configure and use, it offers a smooth alternative for complex transpilation tasks.