JSPM

Create cross-browser extensions with no build configuration.

The standalone extension creation engine for Extension.js

The develop step of Extension.js

Production-ready Chrome extension template with Manifest V3, TypeScript, React 19, Vite 7, comprehensive testing, and zero-config setup

Cross-browser extension toolkit - Unified API for Chrome & Firefox extension development with messaging, storage, webRequest, and tab management

Lightweight SDK to trigger Reclaim verification flows from **your website** or **your own extension UI (popup/panel)**. It wires content ↔ background, opens the provider tab, generates proofs via an **offscreen** document (WebAssembly), and emits comple

Sync data between a web extension's background, popup, options and content scripts. Works cross-browser, with MV3 and MV2.

High-performance Zustand state management for WXT web extensions with seamless cross-tab synchronization and sub-10ms React re-renders

Universal testing framework for Chrome extensions - Fast static analysis without browser dependencies

A webpack plugin overrides the default load script mechanism for Chrome Extension. Useful for Chrome Extension developers that are trying to lazyload scripts or using HMR when working with the Webpack dev server.

Cross-browser helper utility functions for MV3 & MV2 web extensions.

Scaffold modern Chrome extensions with Vite + React + Tailwind

Chrome Extension Boilerplate with React 18, TypeScript and Webpack 5