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Formatter & Kode

Penganalisis Ukuran Bundle (Simulator)

Paste a package list, estimate the resulting bundle weight.

Runs in your browser
  • KB
  • KB
  • KB
  • KB

Defaults are rough min+gzip sizes for popular packages. Tweak the KB column with the real number from npmjs.com when accuracy matters.

Estimated weight

176 KB

≈ 59 KB gzipped

Healthy

Budgets: <100 KB gzipped is healthy for landing pages, 100-300 KB is the typical SPA range, >300 KB suggests aggressive code-splitting.

Catatan editor

Understanding · What's actually in your JavaScript.

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Pertanyaan yang sering diajukan

Quick answers.

›How is the bundle size calculated?

The tool simulates a production build by adding the minified and gzipped sizes of the requested package and its entire dependency tree.

›Is this the exact size I will see in my app?

No, this is an estimate. Your final bundle size depends on your build tool's tree-shaking capabilities, duplicate dependencies, and code-splitting configuration.

›Does it support private packages?

No. This tool uses a public metadata cache to estimate weights; it cannot access private registries or local source code files.

›What is the difference between Minified and Gzipped?

Minified shows the size after removing whitespace and shortening variables. Gzipped reflects the compressed size actually sent over the network to the user's browser.

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