Universal standard for creating browser extensions.
Working through a W3C charter group, Mozilla has partnered with Microsoft and Opera to define a browser extension API that works across multiple browsers.
There is currently a preliminary specification that matches what Google has implemented in Chrome so that extensions written to the specification could potentially work on Chrome, Edge, Opera and Firefox.
Bitwarden client apps (web, browser extension, desktop, and cli).
Reload All Tabs web extension
Translate web pages, highlighted text, Netflix subtitles, private messages, speak the translated text, and save important translations to your personal dictionary to learn words even offline
Private, cross‑browser MV3 ad blocker with local‑only rules and stealth anti‑detection. Uses DNR + cosmetic/behavioral filtering. Builds for Chromium and Firefox/Zen.
[DEPRECATED] An add-on that inserts one-click links from GitHub issues to PRs and vice versa
A browser extension that programmatically parses challenge prompts and automatically fill in the corresponding response for websites using security/challenge grids, such as Entrust eGrid and Deepnet Security GridID.
Leiden University Reader Downloader - because their online reading tool is really bad and it's not possible to download your own PDF.
Download assets from any asset store into your game engine.
Pitched is an extension that disables the pitch preserving algorithm in the browser.
A WebExtension and userscript that displays information from Wikipedia and other sources in a popup for the hovered text.
Webextension for use with Ref-Lex
WIP
A Firefox extension to highlight text on the web. Made using React & TypeScript. 🖊️
A Firefox extension to add icons to bookmark folders and manage them with a cool interface!
Web extension to sync your book page progress from the browser pdf reader with Hardcover
Created by Browser Extension Community Group
Released May 7, 2015