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.

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

tRPC adapters and links for everywhere in the browser


Helps you manage and autosave your extension's options.

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

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

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

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)

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

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

Schedule and run jobs in your background script

Redux for WebExtensions

Build Chrome Extensions with this Rollup plugin.

tRPC adapter for Web Extensions

tRPC adapter for Web Extensions

Mozilla Add-ons API for NodeJS

Package for simplifying work with i18n in WebExtensions

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

tRPC adapter for Web Extensions

Mozilla Webstore Upload

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

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

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

Complete solution to build and deploy your Web Extension

Store Extension Settings Easily

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

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

Svelte stores that synchronizes to WebExtension storage.

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

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

Build Chrome Extensions with this Rollup plugin.

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

Svelte stores, backed up by chrome.storage

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

Svelte stores that synchronizes to WebExtension storage.

Build Chrome Extensions with this Vite plugin.

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

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

A redux wrapper for webextensions

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

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

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

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

Mozilla Webstore Upload

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

zustand middlewares for webext develop

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

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

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

Inject content scripts no more than once

Build Chrome Extensions with this Vite plugin.

Build Chrome Extensions with this Vite plugin.

Build Chrome Extensions with this Vite plugin.

Build Wave Extensions with this Vite plugin.

Build Chrome Extensions with this Vite plugin.

Build Chrome Extensions with this Vite plugin.

Build Chrome Extensions with this Rollup plugin.

Better WebExtension sendMessage API

Require the `chrome` global (for WebExtensions)

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

Better WebExtension storage API

## What is CRXJS?

Build Chrome Extensions with this Vite plugin.

Svelte stores that synchronizes to WebExtension storage.

Build Chrome Extensions with this Vite plugin.

Build Chrome Extensions with this Vite plugin.

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

tRPC adapter for Web Extensions

Build Chrome Extensions with this Vite plugin.

Build Chrome Extensions with this Vite plugin.

Build Chrome Extensions with this Vite plugin.

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

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