JSPM

Utilities for working with match patterns.

Build Chrome Extensions with this Vite plugin.

An in-memory implementation of webextension-polyfill for testing. Supports all test frameworks (Vitest, Jest, etc)

Isolate content script UI's styles from the parent page. Supports all browsers (Chrome, Firefox, Safari)

Tool to convert the patterns and globs of your WebExtension manifest to regex

Light weight, type-safe wrapper around the web extension messaging APIs. Supports all browsers (Chrome, Firefox, Safari)


Cache values in your Web Extension and clear them on expiration. Also includes a memoize-like API to cache any function results automatically.

tRPC adapters and links for everywhere in the browser

Detects where the current browser extension code is being run. Compatible with Firefox, Chrome and derivates.

A type-safe, localStorage-esk wrapper around the web extension storage APIs. Supports all browsers (Chrome, Firefox, Safari, etc)

A type-safe wrapper around the web extension messaging APIs that lets you call a function from anywhere, but execute it in the background. Supports all browsers (Chrome, Firefox, Safari, etc)

Helps you manage and autosave your extension's options.

Wrapper around Mozilla’s web-ext to submit extensions to AMO.

Schedule and run jobs in your background script

Build Chrome Extensions with this Rollup plugin.

Chrome/Safari extension polyfill for Firefox's browser.contentScripts.register()

Helps you manage and autosave your extension's options, separately for each additional permission.

Wrapper around Mozilla’s webextension-polyfill to make it available as a global even with a bundler

Redux for WebExtensions

tRPC adapter for Web Extensions

One-file interface to detect whether your content script have loaded.

Mozilla Add-ons API for NodeJS

A type-safe RPC for all webextension, client side code does not contain the actual called code, supports async generator functions

Mozilla Webstore Upload

A plugin to update manifest file(s) version on release

Package for simplifying work with i18n in WebExtensions

WebX Plugin for [Rsbuild](https://rsbuild.dev/)

A modern template for creating Chrome extensions using Vue 3, TypeScript, Vite, and UnoCSS

Visit the [GitHub](https://github.com/tmkx/webx-kit) readme for more details.

tRPC adapters and links for everywhere in the browser (fork by firemuzy

Require the `chrome` global (for WebExtensions)

Svelte stores, backed up by chrome.storage

tRPC adapter for Web Extensions

A webpack plugin that publishes extension builds to the Chrome Web Store.

webext-buildtools builder for deploying to Firefox Addons store and signing xpi files

webext-buildtools builder for packing and signing Chrome Web Extension for offline distribution

Build Chrome Extensions with this Rollup plugin.

WebX Plugin for [Modern.js](https://modernjs.dev/)

Better WebExtension storage API

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

Better WebExtension sendMessage API

Build Chrome Extensions with this Rollup plugin.

Svelte stores that synchronizes to WebExtension storage.

webext-buildtools builder for deploying to Chrome Webstore. Based on chrome-webstore-upload

Mozilla Webstore Upload

Complete solution to build and deploy your Web Extension

Chrome/Safari extension polyfill for Firefox's browser.contentScripts.register()

A script to convert Pontoon-style l10n files to WebExtension-style l10n files.

A redux wrapper for webextensions

Build Chrome Extensions with this Vite plugin.

tRPC adapter for Web Extensions

Svelte stores that synchronizes to WebExtension storage.

Build Chrome Extensions with this Vite plugin.

A library of Web-Extension Storage with inter context sync, collections, hooks, etc.

Grunt plugin for build chrome, firefox, opera and safari extensions

Build Wave Extensions with this Vite plugin.

tRPC adapter for Web Extensions

Minimize browser extensions' `_locales/*/messages.json` files. Remove "description", "example", spaces, inline placeholders

A webpack plugin that publishes extension builds to the Chrome Web Store.

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

Inject content scripts no more than once

Store Extension Settings Easily

Build Chrome Extensions with this Vite plugin.

TTL cache for web extensions. Powered by @isaacs/ttlcache

Build Chrome Extensions with this Vite plugin.

Build Chrome Extensions with this Vite plugin.

Build Chrome Extensions with this Vite plugin.

Build Chrome Extensions with this Vite plugin.

Build Chrome Extensions with this Vite plugin.

webext-buildtools builder for deploying extension to Opera add-ons

Build Chrome Extensions with this Vite plugin.

Svelte stores that synchronizes to WebExtension storage.

Rollup plugin that makes it easy to develop Chrome / Firefox extensions

Build Chrome Extensions with this Vite plugin.

Build Chrome Extensions with this Vite plugin.

Build Chrome Extensions with this Vite plugin.

## What is CRXJS?

zustand middlewares for webext develop

Create browser extensions for Chrome, Firefox and other WebExtension compliant browsers with React and no build configuration.