Bundle Size Analyzer

npm Bundle Size Analysis & Alternatives

Paste package.json (dependencies section)

Or manually add packages (one per line)

Bundle Size Analyzer Guide

Features

Paste package.json to auto-parse dependencies
Estimate gzipped size of each package
Identify bloated dependencies and recommend alternatives
Visual size distribution chart

Optimization Tips

moment.js → dayjs (-97% size)
lodash → lodash-es or tree-shaking
axios → fetch API (zero dependencies)
Use bundlephobia.com for precise data