Firefox Extensions are add-ons that allow users to customize their web browser from Mozilla. They are downloadable through the Firefox Add-on website. Modern extensions follow WebExtension standard and are most often written in HTML, JavaScript, and CSS.
Browser extension that simplifies the GitHub interface and adds useful features
Dark Reader Chrome and Firefox extension
OctoLinker — Links together, what belongs together
Feature-rich inline translator. Chrome / Firefox Extension.
⚡️ A template for building cross browser extensions for Chrome, Opera & Firefox.
😍Web前端助手--FeHelper（Awesome！Chrome & Firefox Extension, All in one Toolbox!）
Tree Style Tab, Show tabs like a tree.
Neat hovercards for GitHub.
Scrobble music all around the web!
Browser extension to simplify Gmail's interface
Browser extension that simplifies the Twitter interface and adds useful features
Bypass Paywalls for Firefox
Data Selfie - a browser extension to track yourself on Facebook and analyze your data.
Browser Extension to full-text search your browsing history & bookmarks.
Chrome/Firefox extension to nuke annoying elements in a web page
Web Extension for Firefox/Chrome and CLI tool to save a faithful copy of a complete page as a single HTML file
:cloud: Sync your bookmarks across browsers via Nextcloud, WebDAV or a local file (and thus any file sync solution)
Browser extension - Get notified about new GitHub notifications
Records actions made in the AWS Management Console and outputs the equivalent CLI/SDK commands and CloudFormation/Terraform templates.
Toggl Button extension for Chrome and Firefox
⚡️⚡️A Firefox/Chrome extension to modify HTTP requests :-)
Make Medium Readable Again — a browser extension
Browser extension that strips Google Analytics (UTM) tokens from URL query strings
Authenticator generates 2-Step Verification codes in your browser.
PT 助手 Plus，为 Google Chrome 和 Firefox 浏览器插件（Web Extensions），主要用于辅助下载 PT 站的种子。