16,851 extensions found in Appearance

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Ad Killer
Ad Killer is the cross platform extension to block banner ads in websites like YouTube, ESPN, MSN and many more.
Rated 3.6 out of 5
Vagif Aliyev
120 users
DGG Everywhere
Replaces Live Chats With DGG Chat.
Rated 5 out of 5
Jazzy
120 users
Font Changer
Change any page font instantly with a simple click, choose from a list of over 800 different fonts and SAVE your settings for the website.
Rated 3.7 out of 5
Hareb Lounes
120 users
White to Black
A simple, lightweight extension that lets you customize website appearance. Save light/dark themes and color temperature (cool/neutral/warm) per site or apply settings globally. Preferences are applied automatically when sites load.
Rated 2 out of 5
BitVortexLab
120 users
Searchable ChatGPT: search chat history
Search ChatGPT conversation history instantly. Fully local and private. Press Ctrl-Shift-L or sidebar Button
Rated 4.2 out of 5
Tik Hon
120 users
Black Twitch
The black theme for Twitch.
Rated 5 out of 5
kennedy
120 users
Scrollbar Hider
Hides all the scrollbars from websites (For horizontal scrolling use Shift+Scroll Wheel).
Rated 4.4 out of 5
DaBluLite
120 users
Dark Mode
Dark Theme For Websites
Rated 1 out of 5
The UNITY Empire
119 users
Return Old Twitter Logo
Replaces the new X logo with the classic blue bird icon.
Rated 5 out of 5
Arctrius
119 users
20-20-20 Rule
Prevent eye strain with the 20-20-20 Rule reminder.
Rated 5 out of 5
Shreya
119 users
Open in UDM (uGet Download Manager)
Open in uGet Download Manager extension replaces default download manager by uGet Download Manager.
Rated 1 out of 5
Download Manager Tool
119 users
OpenSeadragonizer
Display big images in OpenSeadragon to enable zoom and pan.
Rated 5 out of 5
avandecreme
119 users
YouTube Tweak - Boost Your YouTube Experience
Packed with all the features you want: lock video quality, speed buttons, show commenter names, auto-translate comments, hide distractions, and more.
Rated 5 out of 5
Dark495
119 users
Artblock
Replaces every ad on the internet with fine art from the world's greatest museums.
Rated 4.6 out of 5
joshycodes
119 users
yttwthmode
Twitch-like theater mode for Youtube livestreams and archives.
Rated 5 out of 5
maquinas
119 users
Material Freebox OS
Améliorez le design de Freebox OS grâce à Material Freebox OS !
Rated 4.3 out of 5
chteuchteu
119 users
TST Auto Sticky Tabs
Provides ability to stick some state tabs to tab bar edges automatically, for Tree Style Tab.
There are no ratings yet
Piro (piro_or)
119 users
Page Editor
EDITS ANY PAGE! Good for pranking and trolling your friends! A very funny addon.
Rated 3.6 out of 5
Sworn
119 users
Open Tab Count
This extension displays the number of open tabs for each window on the button and the total number of open tabs (in all windows) in a tip. This is based on the extension by Hilary Mason.
Rated 3.8 out of 5
tookie-lookie
119 users
Search Engine Favicons
Show favicons next to results on popular search engines.
Rated 4 out of 5
Rasmus Riiner
118 users
Styled XML Viewer
Beautiful, readable formatting for XML files in the browser.
Rated 5 out of 5
Netbuddy.net
118 users
Tumblr Unrecommend
Remove "recommended" posts from your Tumblr dashboard.
Rated 3.5 out of 5
Hentropy
118 users
Thingiverse ++
Enhance your thingiverse.com experience with auto login, better infinite scrolling, a modern design and several bugfixes.
Rated 3.3 out of 5
Benjamin Butschell
118 users
Chrome Download Manager
Chrome Download Manager. Bring Google Chrome like Download shelf into Firefox.
Rated 3.5 out of 5
Baris Derin
118 users
MJsonViewer
Yet, just another json content viewer plugin for Firefox. Before using, you should go to the "about:config" page and toggle the "devtools.jsonview.enabled" to false first.
Rated 4.5 out of 5
D0n9X1n
118 users