Faceit Elo Calculator
This adds additional information about the elo gained or lost to the Faceit CS:Go match making system. When a is voting or in progress this will display an estimated amount of elo gained or lost for both teams. Which ever team wins gains the amount
172 users
MarketApp P2P
Creates P2P exchanges between Steam users
172 users
YouTube Endcard Controller
Hide or show endcards on YouTube
171 users
FIO Client
Client for the FIO REST database.
169 users
e621 Subscriptions
Adds Watched/Subscribe feature to e621.net
169 users
YouTube ZOOM
This extension adds a zoom function for YouTube. <strong>In order to use it you have to be logged in.</strong>
169 users
ProtonDB for Steam
Adds the ProtonDB rating to games in the Steam store so you get an idea of how it will run before you buy it!
168 users
Enhanced FPL - FPL on steroids
Enhanced FPL improves the Fantasy Premier League site so you can more easily win your leagues and become a better FPL manager
167 users
PTT web plus
PTT web 站功能強化和修正
167 users
Chat Multi Messenger
Merges all Social Media Networks chats in one App. Access to multi messenger to message your friends and more...
167 users
Goodbye Metrics
Goodbye Metrics allows you to hide key metrics on YouTube. You can block everything or just the ones that nag at you the most.
165 users
Youtube AdBlocker Plus
Youtube AdBlocker Plus. Blocks most of the ads while playing Youtube Video. Easy to Use extension. Save your time on productive tasks rather than wasting on ads.
165 users
Pool
Play Pool billiards without leaving your home, now it's in pop-up of your browser!
165 users
Cookie Clicker Cloud
Cookie Clicker Cloud is an Webextension which allows you to sync your CookieClicker game with other browsers and to backup your savegame. You can save as many games you want :) CCC is free to use and will stay free.
165 users
Esfand Updates
Receive updates letting you know when Esfand goes live or changes games.
164 users
ニコニコ動画コメントフィルター
ニコニコ動画のコメントのNG設定を無制限に追加できます。 正規表現によるNG設定やコメント置換、特定タグの動画のみへの適用なども行なえます。
163 users
Bet365 Full Screen
Adds a full screen option to Live match. This extension was made in 2h, Bet365 keeps changing their website and I don't have time to upgrade it, so it's not working anymore, still.... I see many active users and downloads so I'm leaving it.
161 users
Golden Bonus Cookies autoclick
Find and auto click on golden bonus cookies.
160 users
RokuKast-FF
A Firefox port of a Chrome extension to stream web videos to Roku devices.
160 users
Available on Game Pass
Know if a game on Steam is also available on Game Pass displaying all platforms where you can play it
160 users
YouTube Audio Sync Tool
Fix YouTube audio sync problem by adjusting audio timing
159 users
Roblox UI+
This extension will give Roblox a nice UI more can be found on our site.
158 users
Snake
Play the snake right on your screen, take a quick break without even looking away from work. PS: This will not work on addons.mozilla.org
158 users
MouseHunt Improved
Improve your MouseHunt experience. Contains over 150 features focusing on area HUD improvements, User Interface changes, and a variety of small helpful features.
155 users
SteamCMDTool Bridge
Open-source tool for downloading steam workshop files via SteamCMDTool from browser. It uses SteamCMD. https://github.com/serser007/steamcmdtool/releases/latest
154 users