bundleinfo.com

What Is It

bundleinfo is a package size analysis tool for the npm ecosystem, positioned as a free and open alternative to bundlephobia and packagephobia. Its core goal is straightforward: before developers add an npm package to a project, it helps evaluate the dependency’s installation footprint, frontend download size, and overall dependency-chain burden.

Core Features and Ecosystem

Based on the collected information, bundleinfo covers several key metrics: install size shows disk usage including all transitive dependencies; minified size and gzip size are closer to the actual bundle cost users need to download; the dependency tree offers a quick view of direct, peer, and optional dependencies; and for ESM packages, it also supports per-export breakdowns, helping determine whether specific named exports add extra size.

It mainly serves npm, JavaScript/TypeScript, and modern frontend engineering workflows. The text does not mention any specific framework restrictions, so it appears to be a general-purpose npm package analysis tool rather than a product dedicated to React, Vue, or any particular framework.

Pricing and Openness

The page clearly describes bundleinfo as a free, open npm bundle size analyzer, so basic usage should be free. At the same time, the captured content does not provide information about paid plans, enterprise editions, usage quotas, or payment methods. Although the page uses the word “open,” it does not mention a code repository, license, or self-hosting instructions, so its full open-source scope and self-deployment capabilities cannot be determined directly.

Pros and Cons

Its strengths are its focused feature set and practical metrics, making it especially useful for quick evaluation before introducing a dependency. It also combines packagephobia-style installation size analysis with bundlephobia-style compressed bundle size analysis, which is helpful for frontend performance optimization. The ESM per-export breakdown is another highlight, as it helps developers understand the size impact of different exports.

The downside is the limited amount of public information. It does not state whether it supports an API, SDK, CI integration, private package analysis, historical trend comparison, or team collaboration. The documentation also appears to be mostly feature-oriented, with a lack of more systematic usage examples and clear boundary conditions.

Who It’s For and Access from China

bundleinfo is suitable for frontend developers, npm package maintainers, technical leads, and performance optimization engineers. It can be used for dependency selection, bundle size evaluation, and dependency tree inspection. Access from China cannot be determined from the available text alone; there is no information about domain reachability, network stability, or payments. If access is restricted, alternatives include bundlephobia, packagephobia, or measuring dependency size locally with bundling tools.