Bundle Size Analyzer

Real-time bundle size analytics for npm packages, displays minified and gzipped sizes directly on GitHub repos and npm package pages

Bundle Size Analyzer is a lightweight, free Chrome extension that helps developers quickly check the minified and gzipped size of any npm package. See bundle sizes directly on GitHub repositories, npm package pages, and via an easy-to-use popup tool without leaving your workflow. Stay informed about the download impact of your dependencies, optimize performance, and make smarter package decisions for your web projects. Features - Real-time Bundle Size Analytics — Instantly see minified and gzipped sizes of any npm package. - GitHub Integration — Automatically adds bundle size badges to package READMEs on GitHub. - npmjs.com Integration — Shows minified and gzipped sizes in the package sidebar on npm pages. - Quick Search Popup — Analyze any package on the fly via the extension’s popup window. - Direct Links to Bundlephobia — Quickly navigate to detailed reports for deeper insights. - Clean, User-Friendly UI — Designed for developers with a focus on speed, simplicity, and clarity. Why Use This Extension? Boost Web Performance: Identify heavy packages before adding them to your project. Compare Dependencies Quickly: No need to open multiple tabs or tools. Seamless Workflow Integration: Works directly on GitHub and npmjs.com pages. Free and Open Source: Completely free to use with no hidden fees. Permissions Explained This extension requests access to: - https://github.com/*/* — To read repository READMEs and inject bundle size badges. - https://www.npmjs.com/package/* — To display bundle size data on npm package pages. - https://bundlephobia.com/* — To fetch package size details via the Bundlephobia API. We never collect, store, or track any personal data. SEO Keywords npm package size, bundle size checker, bundle analyzer chrome extension, minified size, gzipped size, npm bundle size, github package size badge, npm package performance, optimize bundle size, bundlephobia chrome tool