npx source-map-explorer dist/bundle.js

Category: Node.js & npm/yarn

npx source-map-explorer dist/bundle.js

Visualize what code is inside your compiled JavaScript bundle by size

Reads the source map for your bundle and shows an interactive treemap of every module and its contribution to total bundle size.
Looking for more? Search all 7,657 commands — works offline, in English or Spanish, and fixes typos.