Extension.js

Browser extension framework.

Visit website ↗

Profile updated

Console’s review

· Reviewed by David Mytton

What we like

Browser extension development framework. Allows you to write extensions for most browsers using TypeScript / JS, React and CSS. Supports calling into WebAssembly. Dev command supports live reload. Helps build & package for distribution.

Tradeoffs

No support for Safari or mobile browsers like Firefox for Android & Safari on iOS.

Is Extension.js a fit?

Based on Console’s review published on 2024-05-16. Summary updated .

Who it’s for

Developers of browser extensions

Why consider it

Allows writing extensions for most browsers using TypeScript/JS, React, and CSS

Keep in mind

Lacks support for Safari or mobile browsers

Console is a free weekly newsletter with short reviews of developer tools, covering strengths and tradeoffs. This review reflects Console’s assessment at publication on 2024-05-16. Features and limitations may have changed since the review date. Read our selection criteria and learn about Console.

Discover your next favorite tool

Independent devtool reviews and the latest betas, in your inbox every Thursday. Free.