A curated list of awesome resources for WebExtensions development.
WebExtensions are a cross-browser system for developing browser add-ons. To a large extent the system is compatible with the extension API supported by Google Chrome and Opera. Extensions written for these browsers will in most cases run in Firefox or Microsoft Edge with just a few changes.
- Chrome Extensions documentation - Documentation for the original Chrome extension model.
- Chrome Extensions API - Comprehensive documentation on the original API provided by Chrome.
- Mozilla's WebExtensions documentation - MDN wiki for the WebExtensions API.
- Browser support for WebExtensions - Compatibility table for Chrome, Edge, Firefox, and Opera.
- Mozilla Firefox API support - Detailed WebExtensions support for Firefox.
- Microsoft Edge API support - Detailed WebExtensions support for Edge.
- Opera API support - Detailed WebExtensions support for Opera.
- Porting Chrome Extensions to Firefox - Guide to prepare, install, and debug Chrome extensions to be ported in Firefox.
Code meant become part of the extension.
- webext-options-sync - Helps you manage and autosave your extension's options.
- webext-inject-on-install - Automatically add content scripts to existing tabs when your extension is installed. Chrome + Firefox.
- chrome-promise - Promised version of
chrome.*callback-style functions. - redux-webext - Uses redux for managing the state of your WebExtension
Apps that help you manage your extensions.
- Chrome Webstore Upload - Upload the extension to the Chrome Web Store via cli (or on Travis, automatically).
- mozilla/Web-ext Command line tool to help build, run, and test WebExtensions.
- Extensionizr - Web UI that helps you create an initial configuration and files.
- chromepet - Get notified when your new version has been published.
- inline-install - Simplify the installation of the extension directly from your website.
- wemf - Format and validate
manifest.json. - maniver - Bump the extension version via cli.
- chrome-ext-downloader - Download any extension on Chrome Web Store to see how they do it.
- unzip-crx - Unzips Google Chrome (crx) files.
- chrome-store-api - Chrome Web Store API wrapper.
- crx2ff - Check the compatibility of a Chrome extension with the Firefox WebExtensions API.
- chromereload - Auto-reload your extension during development.
- sinon-chrome - Mocks the Chrome Extensions API for testing.
- addons-validator - Validate an extension against Mozilla's guidelines.
- extensionizr.com - Basic Boilerplate.
- generator-chrome-extension - Boilerplate based on gulp & babel.
- generator-chrome-extension-kickstart - Flexible Boilerplate based on gulp, webpack & babel.
- react-chrome-extension-boilerplate - React boilerplate with Hot reloading.
These are simple and modern WebExtensions repositories that could help you figure out where pieces go, including automatic deployment via Travis CI.
To the extent possible under law, Federico Brigante has waived all copyright and related or neighboring rights to this work.