Simple JavaScript Injector
This addon creates a small popup that lets you paste some JS code and inject it into the page you are currently seeing.
219 Benutzer
Word Highlighter
Create a list of words and phrases you are interested in. See them highlighted on every page you visit.
219 Benutzer
Quick Bookmark To Folder
Lets you quickly find a bookmark folder and save a bookmark inside
219 Benutzer
Personas Rotator
Personas Rotator is a new companion for Personas Firefox add-on to change over 65000+ skins periodically on Firefox. What Will Your Browser Wear Now?
219 Benutzer
Containers Sync
Sync containers across multiple devices. Please note that firefox sync is mandatory for the sync to work properly.
219 Benutzer
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.
218 Benutzer
Wikipedia with MathJax
Replaces Wikipedia bitmap equations with proper HTML-CSS ones by re-rendering them using MathJax.
217 Benutzer
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.
216 Benutzer
VeloViewer Plugin for Strava
Additions to Strava website to provide helpful links and features for VeloViewer.
215 Benutzer
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.
214 Benutzer
Cloud To Butt Plus WebExtension
Replaces the text 'the cloud' with 'my butt', as well as 'cloud' with 'butt' in certain contexts.
212 Benutzer
xStyle
Restyle the web with xStyle, a user styles manager. With xStyle you can install themes & skins for many sites and create your own.
210 Benutzer
Simple Copy-Paste Boxes
A simple Copy-Paste Notepad for making copy-pasting the same thing easy. Saves text values and allows you to copy them to the clipboard. If you can support, please do so at PAYPAL.ME/USEFULPROGRAMMER.
209 Benutzer
![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.
209 Benutzer
