15,990 extensions found in Appearance

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Toggle dark mode
Toggle the content’s color scheme between preferring light or dark (or inheriting)
Rated 4.3 out of 5
Cimbali
968 users
Audible Volume Control
Adds a volume controller to the Audible web-player.
Rated 4.9 out of 5
Peter
967 users
Full Page Screenshotter
Capture full-page screenshots in Firefox, including scrolling and app-style pages. Fast, local, private — no tracking or uploads.
Rated 4.3 out of 5
Amarjit
956 users
KOCT
Koha Offline Circulation Tool
Rated 4.5 out of 5
Kivutar
956 users
BewlyCat
Just make a few small changes to your Bilibili homepage.
Rated 4.9 out of 5
Keleus
952 users
Better Magma
Block ads on magma.com and improve the site's layout
Rated 5 out of 5
Hold on!
948 users
Translator
Easy-to-use and powerful translator for your browser.
Rated 3.7 out of 5
Karl
948 users
PopUp
Create a popup of pages with minimal browser UI; No bookmarks or navigation bar.
Rated 4.7 out of 5
aqt
945 users
Reddit Comment Collapser
A more elegant solution for collapsing reddit comment trees. Reddit Comment Collapser is free and open source. Contributions welcome - https://github.com/tom-james-watson/reddit-comment-collapser
Rated 4.9 out of 5
tomjwatson
942 users
Make America Kittens Again
Replaces images of Donald Trump with kittens, because seriously, f*** that guy.
Rated 4.3 out of 5
tomroyal.com
940 users
Clipboard Manager
Easily access to recent clipboards via context-menu or toolbar popup.
Rated 3.2 out of 5
Muyor
938 users
IIIF Download
Allows user to download fullsize content from digital libraries serving content using IIIF technology.
Rated 4.3 out of 5
Symac
935 users
AdBlock Bypass Detector & Popup Remover
Remove overlays, sticky headers, and anti-adblock walls. Includes Reader Mode, Dark Mode, and a custom Element Zapper
Rated 4.3 out of 5
CieloWeb
935 users
Auto Refresh
An addon to refresh the browser automatically
Rated 3.8 out of 5
Ibex Addons
935 users
Blank New Tab
Use a blank page as your new tab page.
Rated 4.8 out of 5
xofe
934 users
Foxified Vencord V2
A fan-made Discord plugin for Firefox that lets users customize Discord and experiment with a variety of enhanced features
Rated 4.7 out of 5
cognito116
929 users
Mirror Video X
Allows you to mirror or rotate a video within the web page, services such as YouTube and Twitch are supported, but it works on the majority of sites. Customizable keyboard shortcuts and user-friendly interface.
Rated 5 out of 5
Ed0ardo
928 users
ExHentai Helper
Enhances exhentai.org with multiple reading modes, a grid view, keyboard shortcuts, and a browsing history.
Rated 5 out of 5
KT-999
926 users
PX: Viewport Dimensions
Displays the viewport dimensions when a browser window is resized.
Rated 4.6 out of 5
Luke Peters
924 users
SpoPlus - Edit Spotify Theme & Settings
2026 • Spotify extension that allows you to bring back classic heart button, set up new themes, fonts, remove annoying notifications, popups, and many more!
Rated 4.9 out of 5
fullstackdev
922 users
WhatsApp Message Sender
Send personalized messages through WhatsApp™ Web.
Rated 5 out of 5
Yasya El Hakim
920 users
RotateView
Rotate the entire page or rotate fullscreen view to best fit the device aspect ratio
Rated 3.7 out of 5
thabubble
919 users
Simple Gmail Notes
Add notes to email threads in Gmail.
Rated 4.6 out of 5
Bart Solutions
918 users
Canvas Fingerprint Defender
Defending against canvas fingerprinting by reporting a fake value.
Rated 4 out of 5
ilGur
915 users
YouTubeUtils
Play videos at the highest quality, dynamically resize video player, 4x playback speed, extra hotkeys to loop video and autoplay, and more! Works on mobile, desktop, and embed videos.
Rated 4.8 out of 5
Andres Rodriguez
915 users