Analyze esbuild metafiles, webpack stats, source maps, Vite manifests or plain JavaScript assets locally, inspect module weight, compare baselines and enforce practical size budgets.
Up to 200 files and 100 MB total; JSON structures and displayed nodes are bounded.
Turn build metadata into size budgets and release evidence. Analyze esbuild metafiles, webpack stats, source maps, Vite manifests or plain JavaScript assets locally, inspect module weight, compare baselines and enforce practical size budgets. The core workflow is designed to run in your current browser.
Yes. JavaScript Bundle Analyzer opens in a modern browser and does not require desktop software installation.
Common use cases include Gate a release with explicit JavaScript size limits; Find modules and packages contributing the most bytes.
The core processing workflow is designed to run locally in the browser. Key capabilities include Normalize esbuild, webpack, source map, Vite and plain-asset inputs, Apply total, single-asset and single-module byte budgets, Explore a proportional treemap and searchable module inventory; account, comments, and anonymous analytics may still create normal site requests.
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