15,628 extensions found in Appearance

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CAI Tools
Extra features for Character.AI. Background, Font and Memory Manager, chat/character cloning, import/export characters, save chats and more!
Rated 4 out of 5
Muhammed İrşat
5,341 users
Theme Font & Size Changer
Theme Font & Size Changer lets you change the global font size and font family used for the user interface in Firefox. Design your browser with your favorite font.
Rated 2.2 out of 5
Baris Derin
5,308 users
Quick Dial
Quick Dial, a speed dial page inspired from fast dial. Full Open Source, No Web Service, No Cloud Account, your data is your own.
Rated 4.2 out of 5
matmoul
5,210 users
Adless Spotify
Mutes Spotify's Webplayer when advertisements are played.
Rated 4.8 out of 5
NCIH
5,199 users
EuroSaver - Amazon Europe Price Comparison
Simplifies Amazon product price comparison between all european Amazon stores.
Rated 4.8 out of 5
Foundere Developer
5,181 users
Yandex Evolution - Поиск Яндекс
Popular Russian search engine by Yandex (Яndex, Яндекс)
Rated 3.3 out of 5
Savevur
5,149 users
WhatRuns
Discover what runs a website - This Firefox extension helps you identify technologies used on any website at the click of a button.
Rated 4 out of 5
Whatruns
5,114 users
ePUB Reader
View ePUB files right in your browser in a popup window.
Rated 3.6 out of 5
Sevina
5,091 users
Tridactyl
Vim, but in your browser. Replace Firefox's control mechanism with one modelled on Vim. This addon is very usable, but is in an early stage of development. We intend to implement the majority of Vimperator's features.
Rated 4.9 out of 5
Colin Caine
5,018 users
Rotate Youtube Video (+ Zoom / Mirror, AB Loop)
You can rotate, zoom, mirror, or A-B loop the video. See the full details at the bottom of this page, or press the shortcut Ctrl + Shift + 1 after installing the add-on to open the add-on preferences.
Rated 4.3 out of 5
znwyrz
4,970 users
Fixed Zoom
Extension that sets a custom default zoom for all pages in Firefox. You can set a general zoom for all pages or custom rules depending on the site.
Rated 4.5 out of 5
Ariel
4,940 users
YouTube Popout Player
Provides a simple way to open any YouTube video in a popout window
Rated 4.2 out of 5
Ryan Thaut
4,885 users
Timer (alarm, timer and stopwatch)
Stylish timer combined with stopwatch and alarm for your browser.
Rated 4.2 out of 5
Karl
4,874 users
Mouse Gesture Events
Control your browser faster and easier with gestures using mouse movement.
Rated 4 out of 5
Simpler
4,869 users
Copy Selected Links
Right-click selected text to copy the URL of any links it contains.
Rated 4.8 out of 5
Marnes
4,807 users
RYS — Remove YouTube Suggestions
Stop the YouTube rabbit hole. Customize YouTube's user interface to be less engaging.
Rated 4.2 out of 5
Lawrence
4,761 users
Force Dark Mode
Toggle dark mode on and off on any website.
Rated 3.8 out of 5
Stuff7
4,745 users
Page Screenshot
Take a screenshot from the entire website with just one click.
Rated 2.8 out of 5
Bernard
4,696 users
View Page Source
View the source code of a page with the click of a button.
Rated 4.4 out of 5
Jeurissen Apps
4,664 users
Sauce for Strava™
Additional functionality for your cycling and running analysis. This extension upgrades the Strava™ website.
Rated 4.4 out of 5
Justin Mayfield
4,652 users
YouTube LiveChat Flusher (Danmaku Chat)
Provides bullet chatting (danmaku) on YouTube Live, like niconico or bilibili.
Rated 4.8 out of 5
_y_s
4,622 users
Reload All Tabs
Reload all tabs using keyboard shortcut or toolbar button.
Rated 4.2 out of 5
Glin
4,543 users
Window Resizer
Easily set the layout (size & position) of your browser window
Rated 2.9 out of 5
Kelvin
4,543 users
مترجم ، اولین افزونه ترجمه خودکار
مترجم ، اولین افزونه ترجمه خودکار صفحه خود را در زمان واقعی با استفاده از Google یا Yandex ترجمه کنید. Regards , Mohamad Samardeh Haghighi Fard :)
Rated 4.2 out of 5
Mohamad Samardeh Haghighi Fard
4,543 users
AutoFill Forms (WebExtension)
Fill out web forms automatically with a single click
Rated 2.8 out of 5
Sarah Av.
4,490 users