Rolld(own)phobia

A modern bundle size analyzer powered by Rolldown and esm.sh — running entirely in your browser.

Inspired by Bundlephobia and Shakerphobia.

Features

• 🚀 Browser-based bundling - No server required, all processing happens in your browser
• 📦 Real bundle analysis - Uses Rolldown to generate actual production bundles
• ⚡ Fast - Leverages esm.sh CDN for instant package resolution
• 🎯 Accurate metrics - Shows bundle size, gzipped size, and bundle time
• 🌐 Multiple package support - Analyze multiple imports at once
• 🔍 Code inspection - View the generated minified bundle code

Development

# Install dependencies
pnpm install

# Start development server
pnpm dev

# Build for production
pnpm build

# Preview production build
pnpm preview

# Format and lint
pnpm fmt
pnpm lint

License

MIT