📦

bundle.js

Free

Check the bundle size of any npm package before installing it. Enter a package name, get instant size stats (minified + gzipped). A critical tool for keeping JS bundles lean.

Catalogued April 15, 2026 · Curated by PWA Directory team

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📦bundle.js

bundle.js.org

bundle.js, as it opens in a browser tab.

Online Only

Installable

Cross-Platform

✓

Free

Not sure how to add bundle.js to your home screen? Step-by-step for Chrome, Safari, Firefox and Edge — it takes about ten seconds, and there is no app store involved.

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How to install bundle.js as a PWA

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Menu (⋮) → Add to Home screen

Safari (iOS)

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Firefox

Menu (⋮) → Install

Screenshots

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bundle.js in our guides

Free Online Code Editor, No Download NeededYes — a free online code editor no download install exists in StackBlitz and CodeSandbox. Both run a complete dev environment inside the browser: StackBlitz boots Node.js via WebAssembly for npm-heavy projects, while CodeSandbox focuses on instant previews and collaborative frontend work with one-click deploys. Neither works offline, but for opening a repo, reviewing a pull request, or sharing a demo, both are free and need nothing installed locally.Read the answer →

Free JSON Formatter No Install: Debug Webhooks & Convert CodeSix free browser tools make up a solid free json formatter no install toolkit for developers. Webhook.site generates an inspection URL in seconds, JSON Crack turns a JSON response into an interactive graph, grep.app searches real GitHub code, Transform.tools converts JSON to TypeScript and other formats, CodeImage turns a snippet into a shareable image, and bundle.js reports an npm package's minified and gzipped size. None of the six work offline.Read the answer →

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