9,439 extensions found in Appearance

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Web Edit
Easily edit websites temporarily with a click of a button.
Rated 4.6 out of 5
Ryan Luu
841 users
Disable Ctrl-Q and Cmd-Q
Overrides the Ctrl-Q and Command-Q shortcut so that you cannot accidentally quit Firefox. To quit anyway, use the 'Quit Firefox' menu item.
Rated 2.7 out of 5
Rob W
837 users
Tabloc
Adds "Lock Tab" button. When you click links while the tab is locked, the link will be opened in a new tab instead of the current tab.
Rated 4 out of 5
asukaze
836 users
Librus Average
This extension shows grade averages hidden by Librus Synergia
Rated 5 out of 5
Krzysztof Zdulski
834 users
Toggle dark mode
Toggle the content’s color scheme between preferring light or dark (or inheriting)
Rated 4.4 out of 5
Cimbali
834 users
Allow me to click Google Maps
Allows user to go to maps straight from search results in google, since it is impossible and has to be explicitly done by searching maps
Rated 2.7 out of 5
KYRCooler
832 users
Search with Wikipedia™
Select and search in Wikipedia with mouse right-click.
Rated 4 out of 5
Martin
831 users
YouTube Avatars
RuAvatar - Firefox edition Возвращаем изображения на ютубе без использования proxy и vpn.
Rated 3.9 out of 5
Роман Пандов
830 users
Click to Remove Element
Remove annoying elements with a single click
Rated 4.9 out of 5
blade.sk
827 users
Sidebar Tabs
Emulate tabs in sidebar and display tabs vertically. In addition, group tabs and collapse / expand them.
Rated 4.4 out of 5
asamuzaK
824 users
Modern for Hacker News
A redesigned web interface for Hacker News. Enhance your Hacker News experience with a beautiful, clean, modern design that's fully customizable.
Rated 4.3 out of 5
Modern Redesigns
822 users
Notefox: websites notes
Take notes on every website in a smart and simple way!
Rated 4.6 out of 5
Saverio Morelli (Sav22999)
822 users
Session Resurrection
Simple add-on to save and restore your browsing sessions.
Rated 3.9 out of 5
Adnan Kičin
820 users
Move unloaded tabs for Tree Style Tab
Move tabs in the Tree Style Tab Sidebar without them becoming active.
Rated 4.9 out of 5
Lej77
818 users
Bookmark Tree for Tree Style Tab
Bookmark and restore Tree Style Tab data.
Rated 4.5 out of 5
Lej77
815 users
Ecosia Dark Mode
A dark theme experience for the Ecosia search engine and associated services.
Rated 4.5 out of 5
Aidan H
814 users
NAV szűrő
A bővítmény az <a rel="nofollow" href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/b234bc87f30a095458718735172f216261bd1c5e0f875d7807a307e71da2d613/http%3A//ugyfelkapu.magyarorszag.hu">ugyfelkapu.magyarorszag.hu</a> értesítési tárhelyét a sorok háttérszínének módosításával átláthatóbbá teszi.
Rated 5 out of 5
Attila Bakos
812 users
Tab Saver
Allows you to manage and save tabs
Rated 4.2 out of 5
Mikhail Vyrtsev
811 users
Reddit Direct Images
Loads all images linked on reddit directly in the browser.
Rated 4.3 out of 5
hustlesoft
811 users
Auto Refresh
An addon to refresh the browser automatically
Rated 4 out of 5
Ibex Addons
811 users
Refined Prime Video
Simplifies the Amazon Prime Video interface and adds useful features such as the ability to hide spoilers about unwatched episodes by hiding thumbnails and descriptions.
Rated 4.8 out of 5
Niklas Higi
808 users
AutoJoin for SteamGifts
Automatically enters giveaways from a Steamgifts.com page (main, wishlist or any other) and adds some extra features.
Rated 4.3 out of 5
Gennadiy
803 users
Save Tabs
Save and restore all tabs from toolbar popup!
Rated 2.9 out of 5
Glin
802 users
Night assistant
Set the background color of the webpage to protect your eyes and create a beautiful and comfortable internet environment.
Rated 4.7 out of 5
weijhfly
800 users
Bandcamp Tempo Adjust
An extension to adjust audio pitch on bandcamp
Rated 5 out of 5
miseryconfusion
795 users