Close duplicate tabs
Finds and closes duplicate tabs by URL. Will assume that URLs in different contextual identities are not the same URL and will not be closed.
215 个用户
Word Highlighter
Create a list of words and phrases you are interested in. See them highlighted on every page you visit.
215 个用户
Toggle Native Tab Bar
This addon, with a little help from some css, shows or hides the native tab bar when the user wants.
214 个用户
Containers Sync
Sync containers across multiple devices. Please note that firefox sync is mandatory for the sync to work properly.
214 个用户
Wikipedia with MathJax
Replaces Wikipedia bitmap equations with proper HTML-CSS ones by re-rendering them using MathJax.
213 个用户
Tab Colors
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.
213 个用户
VeloViewer Plugin for Strava
Additions to Strava website to provide helpful links and features for VeloViewer.
210 个用户
Cloud To Butt Plus WebExtension
Replaces the text 'the cloud' with 'my butt', as well as 'cloud' with 'butt' in certain contexts.
210 个用户
![Classic YouTube Design [DISCONTINUED]](https://addons.mozilla.org/user-media/addon_icons/2624/2624779-64.png?modified=ec49882d)
Classic YouTube Design [DISCONTINUED]
Recreates the classic YouTube experience within the new polymer layout.
207 个用户
Monochromate - The Best Greyscale Extension
A browser extension that applies a grayscale filter to websites, reducing eye strain and helping prevent doomscrolling. Customize intensity, exclude sites, and browse more mindfully.
207 个用户
