Displaying 1 to 20 from 25 results

webextensions-examples - Example Firefox add-ons created using the WebExtensions API

  •    Javascript

Maintained by the MDN team at Mozilla. WebExtensions are a way to write browser extensions: that is, programs installed inside a web browser that modify the behaviour of the browser or of web pages loaded by the browser. They are built on a set of cross-browser APIs, so WebExtensions written for Google Chrome or Opera will in most cases run in Firefox or Edge too.

save-as-ebook - Save a web page/selection as an eBook (

  •    Javascript

Save a web page/selection as an eBook (.epub format) - a Chrome/Firefox/Opera Web Extension

browser - The browser extension vault (Chrome, Firefox, Opera, Edge, Safari, & more).

  •    Javascript

The Bitwarden browser extension is written using the Chrome Web Extension API and AngularJS. By default the extension is targeting the production API. If you are running the Core API locally, you'll need to switch the extension to target your local instance. Open src/services/api.service.ts and set this.baseUrl and this.identityBaseUrl to your local API instance (ex. http://localhost:5000).

news-feed-eradicator - A browser extension that deletes your Facebook news feed and replaces it with a nice quote

  •    TypeScript

A browser extension that deletes your Facebook news feed and replaces it with a nice quote. This plugin is built as a WebExtension - a standard for browser plugins currently supported in both Chrome and Firefox.




sinon-chrome - Testing chrome extensions with Node.js

  •    Javascript

Sinon-chrome is helper tool for unit-testing chromium and Firefox extensions and apps. It mocks all extensions api with sinon stubs that allows you to run tests in Node.js without actual browser. API mocks are generated using official chromium extensions API (Firefox webextensions) schemas that ensures consistency with real API. Actual schemas are taken from Chrome 53 and Firefox 49.

persian-twitter - A WebExtension which improves Twitter & TweetDeck user experience for Persian users

  •    CSS

This is a WebExtension that improves user experience of Twitter and TweetDeck for Persian users.The extension is a standard WebExtension and is compatible with both Chrome and Firefox.

transmitter - A WebExtension for the Transmission BitTorrent client

  •    Javascript

a WebExtension for the Transmission BitTorrent client. By participating in this project you agree to follow the Contributor Code of Conduct and to release your contributions under the Unlicense.


proven - 🔑✅ A crypto-based alternative to Twitter's verified accounts.

  •    Javascript

A Keybase based alternative to Twitter's verified accounts. Proven is a browser extension that adds badges like for keybase, github, etc next to users names like Twitter's verified badge but based what accounts the user has posted proofs for Keybase. See the screenshot for what it looks like.

page-translator - One-click in-line page translation for Firefox

  •    Javascript

Translates any page using Google Translate or Microsoft Translator. It's minimalistic. The translate icon will only appear if the page is in a foreign language.

scrollupfolder - A firefox addon wich goes up a folder of a website.

  •    Javascript

A Firefox add-on which goes up a folder of a website. Open the panel from the address bar to display folders then click on the one you want to load. Otherwise, use the Alt+Up and Alt+Down shortcuts to navigate through folders. More details on first run page.

browse-later - Browse later, a WebExtensions add-on.

  •    Javascript

Browse later, a Firefox add-on using WebExtensions. special thanks to Reedo0910 for his/hers excellent UI design & improvement.

example-webextension - Example repository containing templates and good practices for creating a WebExtension for Firefox

  •    Javascript

This repository is intended as an example repository containing templates and good practices for creating a WebExtension based add-on for Firefox. Note: I'm no longer maintaining this repository. The concepts and tools here will likely continue to work. Having automated testing of your code is always a good idea.

cliget - A Firefox addon to download login-protected files from the command line

  •    Javascript

Download login-protected files from the command line using curl, wget or aria2. This addon will generate commands that emulate the request as though it was coming from your browser by sending the same cookies, user agent string and referrer. With this addon you can download email attachments, purchased software/media, source code from a private repository to a remote server without having to download the files locally first. If come across a website where cliget doesn't work, please open an issue providing details to help reproduce the problem.

soundfixer - A WebExtension that lets you fix sound problems in e.g. YouTube videos

  •    Javascript

a WebExtension that lets you fix annoying sound problems on the web (e.g. in YouTube videos): sound in one channel only, too quiet even at maximum volume, too loud even at minimum volume. By participating in this project you agree to follow the Contributor Code of Conduct and to release your contributions under the Unlicense.

doc-linter-webextension - Webextension to lint MDN documents

  •    Javascript

We are happy to accept contributions to the WebExtension. If you have any questions, we will be glad to answer them on irc.mozilla.org #mdn. See also the Contribution guidelines.

patchfox - A client for scuttlebutt network as a Firefox WebExtension

  •    Javascript

This is an ALPHA quality WebExtension. This is free software under the terms of the MIT license. I would love contributions to this WebExtension. I tried to make it as vanilla as possible to the point that it is quite naive. My objective is to make it approachable for new contributors with minimal knowledge of JS and Elm.

requestcontrol - A Firefox extension

  •    Javascript

An extension to control HTTP requests. Provides front-end for Firefox webRequest.onBeforeRequest API for HTTP request management. Filter requests by skipping URL inline redirection and trimming URL query parameters.

Image-Reverse-Search-WebExtension - WebExtension: Adds an option to the context menu to search with an image on various services

  •    Javascript

WebExtension which adds an option to the context menu to search with an image on various services, such as Google, Bing, Yandex, TinEye, SauceNAO and IQDB. The user can also add custom search engines. Has options to open the search page in a background tab and left or right to the current tab or at the end of the tabstrip, too.

amazon-tag-remover - 🚫 💹 🛒WebExtension for Chrome, Firefox, Edge and Opera to remove the Amazon affiliate tracking ID (tag) from amazon links

  •    TypeScript

Are you tired that each banner or ad linking to amazon is silently injecting their affiliate tracking ID and receive a small revenue of what you bought? And more importantly they know what you bought? (even if it's not directly linked, it's still possible to de-anonymize the data) This extension removes the tracking ID before the browser is performing the request, ensuring that you are not being tracked. Please visit CHANGELOG.md for a complete changelog.