16,710 extensions found in Appearance

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YT don't scroll on fullscreen
Simple extension for Firefox that removes scrolling functionality while playing fullscreen YouTube video.
Rated 4.9 out of 5
macciek-k
210 users
Dr.Maggot
Exterminate the maggots infesting the chat!
Rated 5 out of 5
sakana
209 users
EditThis-Cookie
Edit, add, delete, search, protect, and export cookies
Rated 1 out of 5
yaagame
209 users
WinSizeNPosition
Save browser window size and position,restore ones.
Rated 3 out of 5
Susie
209 users
Page Memo
Provide user to write note in any page.
Rated 4 out of 5
Wildsky
208 users
Cookie manager
Manage cookies for any webpage via an stylish popup window
Rated 4.4 out of 5
Karl
207 users
Dark Theme for eBay™
A highly customizable dark theme for eBay homepage and search
Rated 1.3 out of 5
Balvin
207 users
Tags for Google Calendar™
A little visual addon that adds special markup to tags and question marks in event names.
Rated 4.8 out of 5
soimon
207 users
Pixie: Accessibility and Productivity Reader Addon
Text to Speech, Screen Shader, Reading Ruler, Dyslexia fonts (OpenDyslexic), ePub Reader View, Dictionary + more productivity tools
Rated 4.5 out of 5
Oziku Technologies LLC
207 users
Custom Site JS
Run your own (per url or domain) custom JavaScript on sites.
Rated 4.6 out of 5
David Hicken
207 users
Mainichi
Learn Japanese each time you open a new tab.
Rated 4.8 out of 5
mainichi
207 users
AliExpress Invoice Generator - AliInvoice™️
AliInvoice™️ Converts AliExpress order details into an invoice ready to print!
Rated 1 out of 5
Sagor
207 users
Kaomoji Picker
A picker for kaomoji, Japanese emoticons ٩(◕‿◕｡)۶
Rated 5 out of 5
mya
206 users
Mouse Pet
A fun extension that adds a small pet snake following your cursor
Rated 3.8 out of 5
Komodo
205 users
Séneca Fácil
Mejore la experiencia de usuario en el cuaderno de Séneca
Rated 5 out of 5
Gregorio Gutiérrez del Moral
205 users
Hacker News Night Mode
Theme news.ycombinator.com with a darker (night mode) theme
Rated 5 out of 5
jbhamilton
205 users
LiuChan
A modern lightweight mouse-over popup dictionary for Chinese! Displays definitions, pinyin and/or zhuyin, customizable tone colors, as well as Cantonese pronunciation (Jyutping). Source: https://github.com/gkovacs/LiuChanFirefox/tree/firefox
Rated 4.4 out of 5
Geza Kovacs
205 users
QR code tab URL
Adds a button in address bar and show URL from current tab as QR code
Rated 4.8 out of 5
Cristiano Fromagio
205 users
Image Info
Shows image resolution and size on mouse hover.
Rated 2.9 out of 5
Firefox user 13483736
205 users
YouTube Autohide
Automatically hides YouTube playback controls while paused. Works on fullscreen videos and allows the user to change the delay.
Rated 4 out of 5
SWB
204 users
ForceCopy
Allows you to copy content from sites with copy-protection.
Rated 1.7 out of 5
MrOnlineCoder
204 users
谷歌服务助手
主要用于开发者访问Google 、Android等网站，简单易使用，自由零距离。如果你是一名学者，你也可以用于学术用途访问谷歌学术。值得注意的是这款附加组件并不支持访问搜索结果中的所有网站，非常抱歉。如果你想继续访问，可以尝试通过使用在线代理工具或安装支持全局代理的火狐插件，如Hoxx VPN。插件来源于Chrome拓展商店，联系侵删。
Rated 2.5 out of 5
仰望星空
204 users
iHateGrokAI
Cuz we hate AI
Rated 4.9 out of 5
Oko
203 users
Podcast Player Prime
An easy-to-use and lite podcast player.
Rated 3.6 out of 5
mark
203 users
DnD Beyond Kit
Translate, add common metrics, and add new features to your DnD Beyond pages.
Rated 5 out of 5
Taylor Hoffmann
202 users