Who is Bundlephobia for?

Bundlephobia is an open-source project built for frontend developers and web performance engineers.

Does Bundlephobia have a free plan?

Yes — Bundlephobia is free to use.

Is Bundlephobia still maintained?

Unverified. Bundlephobia has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.

What are alternatives to Bundlephobia?

Similar projects tracked by PulseGate include git-build-commit, funkuino, and click-docs.

Who makes Bundlephobia?

Bundlephobia is developed by Bundlephobia.

Is Bundlephobia open source?

Bundlephobia has a public GitHub repository.

Back to the index

Bundlephobia

Name: Bundlephobia
Author: Bundlephobia

bundlephobia.comOther dev tools

Bundlephobia allows developers to analyze any npm package to see its size, composition, and effect on a frontend bundle before adding it to a project. It helps combat JavaScript bloat by providing insights into minified and gzipped sizes, tree-shaking potential, and other metrics. The tool also supports scanning a full package.json file and offers badges for easy integration.

FreeWeb

Visit bundlephobia.com

Overview

5 features

In the Other dev tools space, Bundlephobia takes a focused approach. It focuses on understanding the performance cost and size of JavaScript npm packages before installing them into a frontend bundle. Bundlephobia is an open-source project aimed at frontend developers and web performance engineers. Bundlephobia costs nothing to use. It runs on the web.

Behind Bundlephobia is Bundlephobia. Key capabilities include Package Size Analysis, Bundle Impact, and Tree Shaking Info.

Summary written by a language model from the project’s public pages.

Package Size Analysis
Bundle Impact
Tree Shaking Info
Package Search
Scan package.json

Built with & integrations

Framework

Next.js

Hosting

Cloudflare

Runs on

Browser

Detected from

Next.js: x-powered-by header · /_next/static/ in the HTML
Cloudflare: cf-ray header · cf-cache-status header

Trust & compliance

Verified signals

HTTPSFree tierGitHub

Indexing history

What PulseGate has recorded for this listing

Indexed22 Jul · 22:17 UTC
bundlephobia verified against its public source
Source: PulseGate · Open

Frequently asked questions about Bundlephobia

What does Bundlephobia do?: Bundlephobia focuses on understanding the performance cost and size of JavaScript npm packages before installing them into a frontend bundle. It is catalogued under Other dev tools on PulseGate.
Who is Bundlephobia for?: Bundlephobia is an open-source project built for frontend developers and web performance engineers.
Does Bundlephobia have a free plan?: Yes — Bundlephobia is free to use.
What platforms does Bundlephobia run on?: Bundlephobia runs on the web.
Is Bundlephobia still maintained?: Unverified. Bundlephobia has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
What are alternatives to Bundlephobia?: Similar projects tracked by PulseGate include git-build-commit, funkuino, and click-docs.git-build-commit funkuino click-docs
Who makes Bundlephobia?: Bundlephobia is developed by Bundlephobia.
Is Bundlephobia open source?: Bundlephobia has a public GitHub repository.

At a glance

Platforms: Web
Languages: English
Open source: Yes (GitHub)
First seen: 22 Jul 2026
Built for: Frontend developers and web performance engineers
Model: Open source
Solves: Understanding the performance cost and size of JavaScript npm packages before installing them into a frontend bundle.

Registered as

GitHub: sponsors/pastelsky

Developer

GitHub

Open source

View on GitHub

Live coverage

Identity confidence: High · 92
Indexed: 22 Jul 2026
Lifecycle: Alive
First seen: Jul 2026
Last seen: 22 Jul 2026

Identity audit (13)

Slug: bundlephobia-bundlephobia-com
Lifecycle state recorded: 22 Jul 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 22 Jul 2026
Timeline basis: Indexed-at chronology (no inferred launch/funding milestones).
Name from: Derived from the project's own page and URL.
Category from: Assigned by a language model.
Summary from: Written by a language model from public pages.
Languages from: Detected by a language model, checked against the page's own declaration.
Last updated: 3 Aug 2026
Canonical URL: https://bundlephobia.com/

Ship this? Send a correction — no account, and you get a link to follow it.

Also in Other dev tools

Same category — not a similarity match