Extension.js Examples

A comprehensive collection of browser extension examples

• Available Examples — Browse all available examples.
• Framework Support — See what frameworks are supported.

This repository contains a curated collection of browser extension examples built with Extension.js. Each example demonstrates different patterns, frameworks, and use cases for building cross-browser extensions.

Available Examples

Content Script with React — Inject React components into web pages

Component Technology Framework React Language TypeScript Styling CSS Build Extension.js npx extension@latest create my-content-script \ --template content-react

Inject React-powered components directly into web pages. Perfect for building rich UI overlays, widgets, or page enhancements.

License

MIT (c) Cezar Augusto and the Extension.js Authors.