14,676 extensions found in Appearance

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Center Pages
Center-Pages allows you to narrow wide pages to the center of your screen. Center-Pages simply adds a margin to the sides, which you can increase/decrease via two buttons.
Rated 4.4 out of 5
Felix Meyer-Wolters
399 users
Nord Theme
A Firefox Theme designed with nord color palette.
Rated 4.8 out of 5
Crozbo
399 users
Back to Close WE
Use the back button to close newly opened tabs.
Rated 4.5 out of 5
Jas
398 users
Simple New Tab button
Adds a New Tab button to the toolbar.
Rated 4.5 out of 5
amokk
398 users
MM3 Proxy Switch
In the Firefox Browser (and other Mozilla programs) you can per default configure only the setting for one internet connection. With this Proxy Switch you can manage different configurations and simply switch over between these.
Rated 4.6 out of 5
MM3Tools
396 users
UsableHomeButton
Button for opening home page of any current site, with menu with parent URLs, items for opening in private window, copying titles and URLs, forgetting site or page, etc.
Rated 4.8 out of 5
Marat Tanalin
395 users
DoctorN for Torn
DoctorN is an all-in-one extension for Torn. Using the official API, it not only replaces City Watch, but packs a ton of features for optimizing your day-to-day game experience.
Rated 4.6 out of 5
mrkishi
395 users
Enable Select Copy +Edit
A toolbar button to enable selection, copy and typing editing web text redirectly in a tab
Rated 4.4 out of 5
GarryW
395 users
OLI Grid CSS
Draws a grid on top of a website.Highly Customizable. useful for checking designs that are supposed to follow a grid-based layout. ex:Bootstrap,Foundation,Skeleton,Yaml...
Rated 4.3 out of 5
Kushan Gunasinghe
394 users
Better YouTube Theatre Mode
Improves YouTube's theater mode by making use of all of the available height.
Rated 5 out of 5
Sebbev
394 users
Print Button
Easily print any page with just one click!
Rated 3.7 out of 5
Allen
393 users
YouTube Shorts as Videos
Makes YouTube shorts play as normal videos.
Rated 4.1 out of 5
Jack C
390 users
Dogpile Search
Search using Dogpile directly from Firefox.
Rated 4.2 out of 5
Paul
390 users
Markdown Editor for Firefox
Markdown Editor for Firefox also comes with one-click HTML conversion, file support and other discreet gems.
Rated 3.8 out of 5
Coffee & Fun
390 users
SSHY-selainlaajennus
Käyttöliittymäparannuksia SSHY:n sivuille
Rated 5 out of 5
Kari K
389 users
TST Active Tab on Scroll Bar
Provides a marker to indicate active tab position in Tree Style Tab sidebar.
Rated 4.1 out of 5
Piro (piro_or)
389 users
Simple Close Tab button
Adds a Close Tab button to the toolbar.
Rated 4.7 out of 5
amokk
388 users
ydwd
Chinese <-> English word query or translation via Youdao's API.
Rated 4.3 out of 5
user59874622
388 users
RYM Last.fm Stats
Enhance your RateYourMusic experience with Last.fm integration - view scrobble stats, recent tracks and top albums directly on RYM pages.
Rated 5 out of 5
Landen
388 users
Focus - Remove Shorts & Reels
Remove Reels and Shorts from YouTube, Instagram, and FaceBook.
Rated 4 out of 5
Focus
388 users
Email Notifier
A lite notifier that works with Gmail™, Yahoo, Live, iCloud, Mail.com and GMX
Rated 3.4 out of 5
Morni
386 users
Grayscale
Turn all tabs into black-white color. Click the icon again to turn back to original color.
Rated 3.4 out of 5
Trương Minh Triết
386 users
Most Recent Tab - Keyboard shortcut for last tab
Adds a keyboard shortcut (default: control-shift-1 / cmd-shift-1) and toolbar button to quickly go back to the previously selected tab. Useful to alternate between two tabs and to easy go back to your last tab if you switch to another briefly.
Rated 4.7 out of 5
Paul V
385 users
Old Reddit Images
Displays linked images in comments on old Reddit.
Rated 5 out of 5
Matheus Lima
385 users
ZeroBlur
Blur any sensitive information from any website or web app. Keep data safe when delivering demos or recording videos!
Rated 4.4 out of 5
DivByZero
385 users