Adds a changeable keyboard shortcut that pastes the clipboard into the URL bar and loads it/searches for it. Includes a toolbar button.

Access all your favorite websites quickly with 1-click via BestHomepageEver. Open homepage on each new tab to gain instant access to all the most widely used and popular websites for e-mail, sports, news, search, and more.

Shows tabs as thumbnails in sidebar.

Displays how many tabs are open. The count includes tabs from all windows. Also indicates how many tabs actually have content loaded in them – for example, after restarting Firefox.

Allows you to copy content from sites with copy-protection.

This extension is to shorten the URL of current tab and to generate the QR Code for short URL

Restores consistent ctrl+click, shift+click, cmd+click and middle-click behaviour when clicking links.

Do you like to play in racing? Then the game Car Racing is just for you. Excellent game is always in the browser!

A useful tool for web links.

Features:
Copy as plain text.
Copy as HTML source.
Copy Link Name & URLs.
Copy Tab Name & URLs.
Analyze image/page URLs.

Selects a random color for each tab and displays the color while the tab is active. You can customize the colors to your liking and also set specific colors for websites.

All favorite game Pacman does not lose its relevance. You can play it right in your browser, even offline.

Stop worrying about dozens of open tabs, Dustman will close them for you and let you focus on your work

Open search results in a new tab.
Above FF 61, works with the omnibox/awesomebar AND the dedicated search box.

An extension to save all your open tabs.

Open current page, link, or all tabs in the Brave browser

Manage cookies for any webpage via an stylish popup window

Display tiny progress bar on YouTbue player even in the fullscreen mode

Visual and textual navigation of the browser tabs. Tab manager.

Close all tabs to the right of the current tab.

Ensures that only one tab plays audio at the same time.

A logical game in which you need to connect 3 items of the same color, so that they disappear. Relax and play this game!

Provides ability to group newly opened tabs automatically in various conditions with Tree Style Tab.

Simple addon, to save the full website of one or more tab as a png image either via a click on the toolbar icon or via a custom shotcut

Displays a anime background image (random) every time you open a new tab.

Style your new tab - add beautiful and high quality pictures to new tabs.

A simple extension that opens new tab or duplicates right beside the current tab. Many other browsers have "open a new tab right next to current tab" feature built in but not Firefox, and so this extension was created.

Telegram Instant Messenger as a sidebar.
Based on original work from: https://github.com/zhukov/webogram

Sidebar for Firefox

Widget converts http prefix to https (or vice versa) on the current page and refreshes it.

Adds close all tabs button. The button opens a new tab and closes all existing tabs.