Youtube Mp3 Pro
Download Youtube To Mp3 with a single click
Tic Tac Toe 5 in a row
Play tic-tac-toe versus computer or with friends over the Internet!
Your public IP address and other tracking info
Merge all browser windows in one
DuckDuckGo Settings Autoloader
Load your DuckDuckGo settings from anonymous cloud automatically.
Custom menu allows the user to create a menu to access various network resources.
Saving Instagram images & videos made easy!
Site to Popup
See your desired website (mobile view) in the toolbar Popup
WebM Inline Player
Automatically replaces links to WebM files with embedded videos
This extension to download audio and video from popular video hosting YouTube. To download the available formats mp4, webm, mp4a, mp3.
Speed Dial for Reddit
A simple speed dial extension that displays your current reddit karma and inbox status.
True Whois Lookup
1 click instant access, CAPTCHA free Whois lookup of any domain including ccTLD and new gTLD domains
Weather Forecast Plus
Provides local and long range weather forecast
displays average votes and lets users vote for the quality of caches on geocaching.com
Modify O Tabs
Automatically pin or rename a tab of a site you specify or change its icon.
Url in title
Appends the domain name of each tab to its title.
Nice chance both for entertainment and searching information via AllGamesHome Gametab Extension provided in one click.
Close to the Left
Close tabs to the left.
Icebergs Extension [unofficial]
Save anything from the Internet: Images, text, video, and websites. Ported from the Chrome Extension by Around Seven (so no, this is not an official version)
Adds a button to YouTube videos to toggle auto-repeat.
WebRTC Leak Prevent Toggle
Toggle WebRTC leak prevention.
Hide your geographic location from websites.
A simple proxy management tool
Encryption of personal correspondence in social networks.
Extension interact with LoginByCall.com to get authorized on amount of sites.
Snap Usage Monitor
Easily monitor your Snap data usage.
Checks current page in the Tenon accessibility testing tool
Get realtime timetable information for Irish Rail stations. Source: https://github.com/paddy2k/Speeddial-Traein
It is a fun extension which tells and shows you how much your browser traveled for any page you visited.