Dev tools · alternatives · 2026

24 alternatives to bundlejs api

API to bundle, treeshake and check npm package sizes

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. bundlejs api launched in 2023; newer entries below may have overtaken it.

1. 1
   bundlejs▲90

   An online bundler and an npm package size checker

   2021 · bundlejs.com · its alternatives →

2. 2
   Bundle Phobia▲82

   Find the cost of adding a npm package to your bundle

   2017 · bundlephobia.com · its alternatives →

3. 3
   Keep your js bundle size in check▲11

   Keep your bundle size in check. Contribute to siddharthkp/bundlesize development by creating an account on GitHub.

   2017 · github.com · its alternatives →

4. 4
   Bun▲295

   A fast JS runtime Node.js replacement with built‑in tools

   Dec 2025 · bun.com · its alternatives →

5. 5JA
   Jam API, turn any site into a JSON api using CSS selectors▲300

   2016 · jamapi.xyz · its alternatives →

6. 6
   packtracker.io▲83

   Webpack bundle analysis, for every commit 📉

   2018 · packtracker.io · its alternatives →

7. 7JB
   Jsbundler – Bundle npm packages and use them in the browser▲16

   2015 · jsbundler.com · its alternatives →

8. 8
   Bundle Analyzer▲10

   Keep your webpack bundle optimized over time.

   2019 · bundle-analyzer.com · its alternatives →

9. 9
   Next.js 13▲323

   Build powerful & dynamic web applications – without limits

   2022 · nextjs.org · its alternatives →

10. 10
    JavaScript Air: webpack▲63

    Learn about an amazing JavaScript bundler called webpack.

    2016 · javascriptair.com · its alternatives →

11. 11
    Tool that generates a report on how to reduce your webpack bundle size▲8

    Upload webpack stats.json and get a custom report on what you can do to optimize your webpack bundle size.

    2018 · webpack.jakoblind.no · its alternatives →

12. 12
    The REST & JSON in Swift Bundle▲57

    Learn to build REST apps in Swift

    2016 · leanpub.com · its alternatives →

13. 13
    Create App▲136

    Create a new webpack/Parcel/snowpack project in your browser

    2022 · createapp.dev · its alternatives →

14. 14AS
    A simple website for my JavaScript bundler▲55

    2021 · fjbundler.com · its alternatives →

15. 15
    Hosted JavaScript dependency tree graphs for GitHub READMEs▲56

    node dependency trees as a service. Contribute to fiatjaf/node-dependencies-view development by creating an account on GitHub.

    2017 · github.com · its alternatives →

16. 16JA
    JsonTree, a 3.53kb JavaScript tool for generating html trees from JSON▲78

    a lightweight dependency free javascript micro-library for making collapsable trees with JSON

    2017 · maxleiter.github.io · its alternatives →

17. 17
    Slack Bolt for Deno▲60

    TypeScript framework to build Slack apps with Deno rapidly

    2021 · github.com · its alternatives →

18. 18
    4smart Packages Overview▲75

    Monitor NuGet and NPM packages in your repositories

    2021 · its alternatives →

19. 19
    PrivJs▲70

    Sell your NPM packages

    2020 · privjs.com · its alternatives →

20. 20
    Parcel, a simple resource bundler for Golang▲26

    Golang Resource Bundler [deprecated]. Contribute to phogolabs/parcello development by creating an account on GitHub.

    2018 · github.com · its alternatives →

21. 21
    Crust – A CLI framework for TypeScript and Bun▲95

    We've been building Crust (https://crustjs.com/), a TypeScript-first, Bun-native CLI framework with zero dependencies. It's been powering our core product internally for a while, and we're now open-sourcing it. The problem we kept running into: existing CLI frameworks in the JS ecosystem are either minimal arg parsers where you wire everything yourself, or heavyweight frameworks with large dependency trees and Node-era assumptions. We wanted something in between. What Crust does differently: - Full type inference from definitions — args and flags are inferred automatically. No…

    Mar 2026 · github.com · its alternatives →

22. 22SQ
    Stripe-quality API client libraries with a single button click▲27

    TL;DR- Libninja will generate world-class client libraries for you, without you needing to fiddle with openapi-generator, maintain build pipelines, and so forth. If you just want Rust, reach out, and I'll create your client library at no cost, because I want to help Rust's ecosystem grow. -- Hi HN, I got into Rust in a big way about 9 months ago. While the language is quickly maturing, one large gap in the ecosystem is immature or non-existent client libraries for common API services like Plaid, Stripe, Twilio, Github, Slack, and so on. The existing openapi-generator templates create Rust…

    2022 · libninja.com · its alternatives →

23. 23
    Turn OpenAPI to Universal TypeScript SDKs▲27

    Hi HN! We’re excited to share our new code generator that lets you ship high-quality TypeScript SDKs, that your users will love, from your OpenAPI documents. Our ongoing goal is to help you build one SDK that runs anywhere modern JavaScript runs. This includes new runtimes like Deno and Bun in addition to the ever-popular Node.js. Additionally, the popularity of AI has meant server-sent events and file streaming are also commonplace - we wanted to cover these use cases too. This explosion in new runtimes and ways of interacting with APIs shifts cognitive burden on API developers often having…

    2024 · speakeasyapi.dev · its alternatives →

24. 24
    MergerJS▲3

    Yet another CLI build tool to bundle JavaScript files

    2019 · github.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →