YouTube Slow and Reverb
A small, no-nonsense extension to control speed and reverb settings on YouTube videos.
192 users
Don't Close Last Tab
If there are pinned tabs, keep one blank tab open when closing the last normal one. Prevents multiple empty tabs, and has an option to not quit the browser when the last window is closed.
192 users
TST Active Tab in Collapsed Tree
Provides UI to show last active tab in a collapsed tree in Tree Style Tab.
192 users
QR Code for Firefox
QR Code for Firefox generates QR codes independently, simple and fast, and can be generated immediately for 256 colors of any size! The latest version of this addon has been updated to 1.1.2.1. Please upgrade and use it as soon as possible.
190 users
Omni - Manage Tabs, Bookmarks, History...
Supercharge Firefox with commands, shortcuts, and more
190 users
Toggle Native Tab Bar
This addon, with a little help from some css, shows or hides the native tab bar when the user wants.
189 users
CenterSVG
Adds a grey background to SVG files, centers them and adjusts them to page width, just like normal images.
186 users
Multi-Tab Close
Close multiple tabs on a single click. You can close all tabs, all tabs except active tab, tabs to the right, tabs to the left or empty tabs. Supports context menu
186 users
ShopBuddy
Never miss a deal! Save time and money and earn cash back when you shop online with ShopBuddy. ShopBuddy is powered by SHOP.COM.
186 users
Open With for Microsoft Edge
Open With for Microsoft Edge sends pages from Mozilla Firefox to Microsoft Edge.
185 users
Spotify Hotkeys
Add configurable keyboard shortcuts and notifications to the Spotify Web Player
184 users
JS Injector
Automate testing and auto-populate forms by injecting javascript code into the page. If [Run in isolation] is checked, the injected script will not contaminate the original code.
184 users
Discord Container
Discord Container isolates your Discord activity from the rest of your web activity in order to prevent Discord from tracking you outside of Discord's websites via third-party cookies.
183 users
Open Bookmarks Slowly
Open All in Tabs, just not all at once. Lets you open large bookmark folders a few bookmarks at a time to avoid slowing down Firefox.
182 users
TabMerger
Merges your tabs into one location to save memory usage and increase your productivity.
182 users
Simple Browsing Schedule
Schedules your chosen Websites to open on specific days of the week / month / year and at specific times. Useful for reminding yourself to check your favourite websites.
182 users
Language Switcher
Change the language header (accept-language) that websites see via toolbar popup
181 users
Close Tab by Double Right Click
Close tab by left-click-immediately-followed-by-right-click (previously: double-right-click) anywhere on the page. Inspired by "Rights To Close" legacy extension for Mozilla Firefox.
180 users
Select Tabs
A simple tool for doing one thing very well: select multiple tabs in the current window.
180 users
URL として開く
選択したテキスト内に含まれる URL を、コンテキストメニューから新規タブで開きます。h 抜きなど、プロトコルのない URL も https か http に補完して開きます。選択した URL を一時的に記憶して、あとでまとめて開くこともできます。
179 users
![[STG plugin] Create new group](https://addons.mozilla.org/user-media/addon_icons/932/932675-64.png?modified=6d33d027){kind=icon}
