Top 63 webextensions open source projects

Example Firefox add-ons created using the WebExtensions API

WebExtension for Buku

Create modern cross-browser extensions with no build configuration.

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

Firefox/Chrome browser extension. SmartProxy will automatically enable/disable proxy for the sites you visit, based on customizable patterns.

Tree Style Tab, Show tabs like a tree.

ClearURLs is an add-on based on the new WebExtensions technology and will automatically remove tracking elements from URLs to help protect your privacy.

DownZemAll! is a download manager for Windows, MacOS and Linux

A client for scuttlebutt network as a Firefox WebExtension

A devtools extension for toggling CSS features allowing developers to see how pages/apps render in browsers that don't support modern CSS features

A command line tool to help build, run, and test web extensions

Firefox add-on for arranging tabs vertically

One-click in-line page translation for Firefox

UI for create-web-ext

Redux for WebExtensions

RetroTxt is the WebExtension that turns ANSI, ASCII, NFO text into in-browser HTML

Unlock Netflix Hidden Categories With This Browser Extension

WebExtension for the Anime Reverse Search Engine to search by image

Change colors of contribution graph in GitHub.

The official browser extension for the Passwords app for Nextcloud.

Multiple Tab Handler, Provides feature to close multiple tabs.

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

A session/tab manager web extension for Firefox based on the Microsoft Edge feature.

Fast, open and free-to-use new tab page for modern browsers

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

Home page for all listed extensions, if you have any suggestions/bugs, please file an issue in this repo

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

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

The DownThemAll! WebExtension

🔑✅ An alternative to Twitter's verified accounts powered by Keybase.

An awesome browser extension that reads aloud webpage content with one click

Kee adds free, secure and easy password management features to your browser which save time and keep your private data more secure.

Copying Link, Image and Tab(s) as Markdown Much Easier.

⚡️ A template for building cross browser extensions for Chrome, Opera & Firefox.

Violentmonkey provides userscripts support for browsers. It works on browsers with WebExtensions support.

WebExtension for keyboard-accessible tab management

Companion add-on for Firefox Relay. Keep your email safe from hackers and trackers. Make an email alias with one click, and keep your address to yourself.

Block distracting websites when you are browsing the web. Use for procrastination.

🖋 Convert Grammarly to Markdown (browser extension)

Script to generate TypeScript definitions for WebExtension Development in FireFox

WebExtension Experiments for Thunderbird

Awesome cross-extension APIs that enable browser extensions to integrate with each other.

Helps you manage and autosave your extension's options. Chrome and Firefox.

Tools for Pontoon and its integration into the browser.

Browse later, a WebExtensions add-on.

I2P in Private Browsing mode for Firefox, built using Webextensions and Contextual Identities

Firefox Web Extension to save Facebook posts as images

A webextension which would sync firefox containers across multiple devices.

A native Java library, a Swing GUI application and an applet to read the Serbian eID card, built on javax.smartcardio

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

WebExtension: Adds an option to the context menu to search with an image on various services.

Provides ability to copy title and URL of selected tabs to the clipboard for Firefox 63 and later.

The easiest way to get website internal / customers feedbacks (WebExtensions)

SixIndicator is a WebExtension Plugin which indicates via an icon, if you are viewing the website with IPv6 or IPv4.

A WebExtensions browser extension for aiding language learning.

Avoid redirects and has direct access to the sites you want to visit.

A WebExtension for the Transmission BitTorrent client

A sitebar that helps pentesters to perform manual web security testing inside their browser. This addon is written in webextension and alternatives to the XUL version of original Hackbar.

Modify requests, inject JavaScript and CSS into pages

The free book `Browser Extensions book`, by yours truly. Momentarily stale.