Firefox Multi-Account Containers lets you keep parts of your online life separated into color-coded tabs that preserve your privacy. Cookies are separated by container, allowing you to use the web with multiple identities or accounts simultaneously.
Collection of Tab Related Actions e.g. Duplicate, Close Duplicates, Close to the Left, Copy Title, Merge Windows, Save as PDF, Copy Urls Tab/All/Left/Right, Host keep/close/close other, Sort by URL/Title, Asce/Desc, Move, Reload, Reload Timer
An easy-to-use tab reloader with custom reloading time settings for individual tabs
Make the browser forget website data (like cookies, local storage, etc.), except for the data you want to keep by adding domains to a whitelist, graylist, blacklist, or redlist.
Squared tabs, application menu, add-on bar, small button view and many more 'old' features for 'Firefox 29-56', not for Firefox 57+! >Latest builds on Github!<
Tab Groups are an easy way to organize a lot of tabs. You can visually group related tabs, switch between groups, and quickly search through all of your tabs to switch to a specific one.
Short, Vim-style keyboard shortcuts for browsing and navigation, for a near mouseless experience.
A beautifully simplistic New Tab page that includes multiple clocks, date, search, quick links, and more! Fully customizable!
Don't waste your time with compliance. Universal Bypass automatically skips annoying link shorteners.
Easily manage your downloads in status-bar.
Load any URL you want when a new tab is opened. Simple and easy solution to the new "Suggested Tiles" tiles feature and the only add-on to place the focus intelligently on the chosen web page (like a search engine's search box) or in the URL bar!
Stylish audio equalizer in toolbar popup.