SaaSActive

esbuild Bundle Size Analyzer

Visualize the contents of your esbuild bundle from a metafile.

Open source page ↗

Product features

Product features

# Avoid direct eval when bundling

Content Types

# ES5 is not supported well

Example Loader

Load an example metafile to explore the visualization.

Flame Chart

Visualize bundle contents as a flame chart.

# Imports follow ECMAScript module behavior

# JavaScript

# JavaScript caveats

Metafile Import

Import an esbuild metafile to analyze the bundle.

# Private member performance

Sunburst Chart

Visualize bundle contents as a sunburst chart.

# The default export can be error-prone

# The value of this is not preserved on functions called from a module namespace object

# The value of toString() is not preserved on functions (and classes)

Treemap Chart

Visualize bundle contents as a treemap chart.

# TypeScript

# TypeScript caveats