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.
Skip YouTube video sponsors (browser extension)
PT 助手 Plus，为 Microsoft Edge、Google Chrome、Firefox 浏览器插件（Web Extensions），主要用于辅助下载 PT 站的种子。
Browser extension to curate, annotate, and discuss the most valuable content and ideas on the web. As individuals, teams and communities.
一款跳过小电视视频中恰饭片段的浏览器插件，移植自 SponsorBlock。A browser extension to skip sponsored segments in videos, ported from the SponsorBlock
An open-source userscript manager for Safari
A Browser Extension for faster reading on ANY website!
A translation extension.
Web Extension for sniffing and downloading HTTP Live streams (HLS)
Web extension to set a default speed for video and audio
TTV LOL PRO removes most livestream ads from Twitch.
🛠️ A Vue CLI 3+ preset (previously a Vue CLI 2 boilerplate) for quickly starting a web extension with Vue, Babel, ESLint and more!
A Firefox extension to protect from being fingerprinted.
A customizable read mode web extension.
A set of utilities for building Redux applications in Web Extensions.
It makes your existing server live. This is a browser extension that helps you to live reload feature for dynamic content (PHP, Node.js, ASP.NET -- Whatever, it doesn't matter)
一款可以预防颈椎病的新标签页扩展。
A keyboard interface to the web
A browser extension to translate Japanese by hovering over words.
Chrome/Firefox extension for pen-testing to retrieve encryption keys of Widevine protected content !DON'T DECRYPT CONTENT UNLESS YOU HAVE THE RIGHT TO DO IT!
📚 A customizable dictionary extension that supports double-click lookups in 20+ languages, 1000+ dictionaries, text-to-speech, translation and Anki integration.
Created by Browser Extension Community Group
Released May 7, 2015