Bookmarks Commander
A two-panel bookmarks manager which is similar to the well-known Total Commander.
630 users
Font Inspector (WebExtension)
Click on any element to get the font info in a page popup
629 users
QCLean:Remove Facebook Ads,Suggested Pages&Posts
Remove Ads, Suggested Pages and Posts on News feed of Facebook.
628 users
Disable Polymer on YouTube
The polymer redesign of YouTube has made the site very slow for Firefox users. This add-on adds the "disable_polymer" option to YouTube URLs in order to revert back to the old classic design.
628 users
SixIndicator
Shows a simple icon, if IPv6 or IPv4 was used for the request of the site. When clicking on the icon, more information is shown, like the number of requests per domain and if these requests were made via IPv6 or IPv4.
625 users
MinimaList
Simple To-Do list with a minimalist look and feel. Add, edit and delete your tasks with a single mouse click.
622 users
Easy Image Blocker
Easy Image Blocker is the Add-on to control the loading of the image. Images can be load from the context menu individually. You can specify the mode to load the image for each URL in the white list.
616 users
Clear FANDOM wikia pages
This addon hides non-informative parts of the 'fandom.com' Wikia sites, leaving a clear view for you of the important content. (It is NOT an ad blocker; use it with UBlock Origin for a clearer experience.)
614 users
Tap Translate
Add a translate button on the page. Github: https://github.com/miraks/Tap-Translate
614 users
Wikipedia Dark Mode
Dark mode for Wikipedia
614 users
[Dark Theme] - Native Dark
Native Dark allows for customization to match your system accent colors. Read the README file for advanced instructions. https://github.com/spikespaz/firefox-nativedark/blob/legacy/README.md
611 users
Disable Twitter/X Trends
Hides trends on Twitter/X
611 users
Classroom Dark Mode
Dark mode for Google Classroom
610 users
Dark Theme for Facebook™
A schedulable and customizable dark theme for facebook.com and messenger.com
609 users
OurStickys - Sticky Notes on every page
Add Persistent Sticky Notes anywhere on any web page, they will reappear when you re-open the page
608 users
Sauron - Dark mode for all websites
Beautiful dark mode for all websites. Protect your eyes when you surf in dark enviroments.
607 users
Mirror
This mirror flips your online activity!
606 users
Date Today for Firefox
The best clock displays the current date and time at a glance. It offers a digital clock in the browser toolbar and an analog clock in the web browser's menu bar, allowing you to know the current date and time with just one blink.
602 users
Integrated Inbox for Gmail and Google Apps
Tired of having multiple tabs open just to view your favorite Google services and other Apps like Feedly, Evernote, Twitter and more? Now you can see them right from your Gmail Inbox. Install now or visit www.integratedinbox.com for more info.
601 users
Hacker News Enhancement Suite
Hacker News Enhanced.
598 users
Navigate Up WE
Navigate up one or more URL levels, using the toolbar button, context menu or keyboard shortcut.
598 users
Java Doc2Code
Maps the Oracle Java 11+ documentation page to the OpenJDK source code on Github
597 users
Thematic (was Persona Switcher)
Quickly switch between your themes or reset the theme back to the default via a menu or the keyboard. You can also automatically rotate through all of your themes on a time interval you select. Works for Firefox and Thunderbird.
597 users
Decreased Productivity by andryou
Discreetly surf the web! Control exactly how you want web pages to look like.
595 users