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.
A keyboard shortcut browser extension for keyboard-based navigation and tab operations with an advanced omnibar
A Firefox and Google Chrome extension to clip websites and download them into a readable markdown file.
Create, modify and quick change tab groups. Inspired by the Tab Groups app :)
Make firefox flow like arc
Chrome/Firefox extension to nuke annoying elements in a web page
Firefox extension to save and restore tabs as bookmarks. Clear your tabs, clear your mind.
Сustom color schemes for all websites
WebExtension port of Random Agent Spoofer
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!
Enjoy iCloud's Hide My Email service in your favourite browser
Browser extension. Definitly more than a GET/POST sender. Handily use search engines via a Flexible Tool! UI has Vimium-like feature 🌐🔍 (Pure-client. No 3rd-party server needed) 大术专搜 既专又广 手敲几下 纵横去往
Extension that restores RSS Feed Livemarks in Firefox.
Webextension to save Tiddlywiki
An add-on that aims to add Vivaldi style toolbar colouring to the Firefox UI
Improving everyone's favorite online download list, one loop at a time.
A Firefox extension
Shows ratings from protondb.com on Steam
A client for scuttlebutt network as a Firefox WebExtension
Automatically change Firefox's theme based on the time
A tinkerer's bridge b/w Emacs and Web Browser (Firefox and Chrome)
Created by Mozilla
Released April 4, 2006