Library Check for Zotero – Prevent Duplicates
Check instantly whether the paper you're viewing is already saved in Zotero. A simple tool to prevent duplicate saves.
151 users
Discord Token Login / Multi Token management tool
The best token loginer with the most features 4.0update : Updated to support changes to the Discord quest page URL
150 users
Totally not Panorama (Tab Groups with tab hiding)
Tab Groups with Tab Hiding (fork of Panorama View 0.6.15)
149 users
Open With for Microsoft Edge
Open With for Microsoft Edge sends pages from Mozilla Firefox to Microsoft Edge.
149 users
Background-tab It
Add a context menu option to open a link in a background tab. Very useful if you usually open links in a foreground tab but sometimes want to open certain link in the background instead.
149 users
Copy URL of All Tabs
Copy, Copy all Tabs URLs to the clipboard. Paste, Open Tabs all the URLs in the clipboard.
148 users
Tab Numbering
This extension writes the tab number to the first eight tabs, the ones accessible with ctrl/cmd + number. See https://github.com/tuomassalo/tab-numbering for source code and for filing bug reports.
148 users
800% Sound Volume
Boost, reduce, or mute audio on any website up to 800% volume, with per-site memory and a clean simple interface.
147 users
Google: Кнопка поиска Яндекс, Mail.ru и др.
Adds a button for searching the same query on other search engines. Alternative search on Google.
146 users
YouTube Sort — Sort YouTube Video Tabs
Enhance your YouTube viewing experience, by sorting your open video tabs by various stats (title, channel name, upload date, view count, video duration, likes).
146 users
TabMerger
Merges your tabs into one location to save memory usage and increase your productivity.
145 users
Ultimate Theme creator
Create and share your ultimate color theme for firefox with the highest level of customization possible. Select your preferred color for various parts of the browser UI to try instantly. This extension is powered using the theme API for Firefox.
145 users
Lean Tab Limiter
Limits the number of tabs that can be open. This extension allows you to define a global limit number of tabs, beyond which you will not be able to open a new tab or a new window, in order to keep your browsing session sanity ;)
144 users
QuicKey – The quick tab switcher
Add keyboard shortcuts to switch tabs with a Quicksilver-style search or a most recently used menu
144 users
cubicon for Salesforce
Differentiate between Salesforce orgs in open tabs using clean, colored cubes. Choose from a range of colours or upload your own image!
143 users
Tab List Button
When you have lots of tabs open, it is good to have another way of selecting one.
143 users
Sidebar Tab
Give your browser an extra tab! Open and navigate websites directly within a sidebar, enabling seamless dual-panel browsing and productivity boosts.
142 users
SoundTuner
Extension to manipulate background audio. Can lower/increase volume, add pan and mono per tab. Can also save background sounds per website for future visits.
141 users
Check iframe
Extension that indicates if the current web page uses iframe and frame tags by changing the color of its icon. It can scroll and redirect to the detected tags.
141 users
Open tab in MS Edge
Opens active tab URL after toolbar button click in Microsoft Edge using 'microsoft-edge:' protocol without use of any helper application.
141 users
![[STG plugin] Create new group](https://addons.mozilla.org/user-media/addon_icons/932/932675-64.png?modified=6d33d027){kind=icon}