The best window.fetch polyfill alternatives
4 tools that do a similar job to window.fetch polyfill, 4 of them open source. Each entry says what it does and who it suits, so you can pick the one that fits instead of the most famous.
You're replacing
window.fetch polyfillA browser polyfill that adds window.fetch to older browsers that lack it.
- 1
axios
Open source · MIT · ★ 109k
A promise-based HTTP client that works in both browsers and Node.js.
Best for: JavaScript developers calling REST or other HTTP APIs from a browser front end; Node.js developers who want one HTTP client API across client and server code
- 2
ky
Open source · MIT · ★ 17.1k
A tiny HTTP client for JavaScript that wraps the Fetch API with simpler calls and error handling.
Best for: JavaScript or TypeScript developers who already use fetch and want less boilerplate; Projects that call a REST API and want JSON parsing and error handling in one call
- 3
got
Open source · MIT · ★ 15k
A Node.js library for making HTTP requests, with retries, timeouts, and JSON support.
Best for: Node.js developers who call web APIs from server-side code; Projects that need built-in retries, advanced timeouts, or pagination helpers
- 4
core-js
Open source · MIT · ★ 25.5k
A JavaScript library that adds missing modern language features to older browsers and engines.
Best for: Web developers who must support older browsers or engines that lack modern JavaScript features; Teams using Babel or swc who want standard library polyfills handled through their build setup
How we pick: tools in the same category that solve the same problem, projects that name each other as alternatives, and open-source projects that describe themselves as an alternative to window.fetch polyfill. We don't take payment for placement.