Popupblocker
Popupblocker can block every popup. Many websites open new windows with ads, when you try to mark text or click something. This add-on will block these and show a really small notification.
2,413 users
Session Alive
Keep your Session Alive at any website and never get logged out. Forget the session timeout messages. Multi-Account Containers supported.
2,398 users
Calculator
A simple calculator that remembers your last calculation. You can close it at any time and reopen it without losing your work.
2,383 users
Windows 10 Accounts Port
Sign in to supported websites with accounts on Windows 10. Ported from the Chrome's Windows 10 Accounts extension.
2,346 users
Script Blocker Ultimate (NoScript, Disable JS)
Best Script Blocker for Firefox. (Best in Performance, This addon does NOT track user activities same as others)
2,331 users
SEO Analysis & Website Review by WooRank
Instant SEO analysis and website reviews for SEO, mobile, usability and social media. The freshest data when and where you want it.
2,325 users
LiveReload - Web extension
Web extension based version of LiveReload. Supports Firefox 57 (Firefox Quantum)
2,319 users
AwardWallet - Track Rewards and Travel (v3)
AwardWallet's v3 browser extension makes updating loyalty accounts and auto-login to your accounts easier than ever.
2,303 users
Level up for Dynamics 365/Power Apps
Quickly perform advanced/hidden actions in Dynamics 365/Power Apps, without bookmarklets.
2,300 users
Print/Print Preview Context
Adds Print, Print Preview and Save as PDF commands to the context menu.
2,292 users
ChartFox Browser Extension
Enable fully-integrated chart viewing within the ChartFox web app
2,245 users
AutoCopy
Copy the selected text only, when the mouse button is pressed for a specified time.
2,239 users
Tree Tabs
You can manage your tabs in a tree structure. Themes: https://goo.gl/UtQ5vG Some of many features: - Drag&drop tabs to make trees - Select multiple tabs at once using ctrl or shift keys. - Search tabs using search tool
2,239 users
Everything Metric (Auto Unit Converter)
10 feet 🠚 10 feet【𝟯 𝗺】 This add-on automatically translates all American or Imperial units to Metric (International System of units - SI), adding converted unit in brackets behind USC unit. Convenient for shopping, cooking, etc.
2,231 users
PDF editor PDFOffice to edit and create PDF
PDFOffice, a PDF editor to create and edit any PDF file using a web browser.
2,227 users
MSN Homepage and Bing Search Engine
Set MSN as your homepage and Bing as your search engine
2,206 users
