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Web App

Bundlephobia

Check the size cost of any npm package before you install it.

Visit Bundlephobia4.6
  • Rating

    4.6 / 5

  • Pricing

    Free

  • Difficulty

    Intermediate

  • Works on

    Web

Built with love by Shushant Lakhyani. Building bestproductivityresources.com

What is Bundlephobia?

Bundlephobia shows how much an npm package adds to your JavaScript bundle, including minified and gzipped size, download time and its dependencies. It is free and open source, and it also suggests lighter alternatives, which helps you keep web apps fast.

Pros: what Bundlephobia does well

  • Quick size checks
  • Shows similar lighter packages
  • Free and open source

Cons: where it falls short

  • Sizes can differ in your own build
  • Occasionally fails on unusual packages

Who Bundlephobia is for

JavaScript developers who care about page speed and want to compare packages.

Who can skip it

Developers not working with npm packages.

Bundlephobia alternatives

Not sold on Bundlephobia? These do a similar job, and each card says what it has in common.

Can I Use

Focus: browser support, web development and css. Shares javascript with Bundlephobia. A website, not a web app. Rated 4.8 (Bundlephobia: 4.6).

WebsiteFreeWeb

Fathom Analytics

Focus: analytics, privacy and website traffic. Also in Research and Decision Making, like Bundlephobia. Paid but Affordable (Bundlephobia: Free). Rated 4.8 (Bundlephobia: 4.6).

Web AppPaid but AffordableWeb

Levels.fyi

Focus: salary data, compensation and career levels. Also in Research and Decision Making, like Bundlephobia. A website, not a web app. Freemium (Bundlephobia: Free). Same 4.6 rating.

WebsiteFree planWeb

ToS;DR

Focus: privacy, terms of service and ratings. Also in Research and Decision Making, like Bundlephobia. A website, not a web app. Adds Chrome and Firefox. Same 4.6 rating.

WebsiteFreeWeb, Chrome

AlternativeTo

Focus: software directory, alternatives and app discovery. Also in Research and Decision Making, like Bundlephobia. A website, not a web app. Rated 4.5 (Bundlephobia: 4.6).

WebsiteFreeWeb

European Alternatives

Focus: european alternatives, gdpr and privacy. Also in Research and Decision Making, like Bundlephobia. A website, not a web app. Rated 4.5 (Bundlephobia: 4.6).

WebsiteFreeWeb

Free alternatives to Bundlephobia

Want to spend nothing? These free picks cover similar ground.

OpenAlternative

Focus: open source, directory and self-hosted. Also in Research and Decision Making, like Bundlephobia. A website, not a web app. Rated 4.5 (Bundlephobia: 4.6).

WebsiteFreeWeb

AI Compare Ninja

Focus: ai tools, comparison and pricing. Also in Research and Decision Making, like Bundlephobia. A website, not a web app. Rated 4.4 (Bundlephobia: 4.6).

WebsiteFreeWeb

deliberation

Focus: multi-model, deliberation and second opinion. Also in Decision Making and Research, like Bundlephobia. An AI tool, not a web app. Adds macOS, Windows and Linux. Rated 4.4 (Bundlephobia: 4.6).

AI ToolFreemacOS, Windows

opensource.builders

Focus: directory, open source and alternatives. Also in Research and Decision Making, like Bundlephobia. A website, not a web app. Rated 4.4 (Bundlephobia: 4.6).

WebsiteFreeWeb

SaaSHub

Focus: software alternatives, directory and comparisons. Also in Research and Decision Making, like Bundlephobia. A website, not a web app. Rated 4.4 (Bundlephobia: 4.6).

WebsiteFreeWeb

switching.software

Focus: directory, privacy and alternatives. Also in Research and Decision Making, like Bundlephobia. A website, not a web app. Rated 4.4 (Bundlephobia: 4.6).

WebsiteFreeWeb
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