13,157 extensions found in Appearance

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New Tab Same Group
Opens new tabs in the same group as the active one — right after, at the beginning, or at the end. Supports Firefox’s native tab groups, vertical (sidebar) or horizontal (classic) modes.
Rated 4.5 out of 5
david demri
463 users
Reddit Sidebar Toggle
This web extension adds a toolbar button to toggle the sidebar on reddit.com
Rated 4.7 out of 5
2211
463 users
Wikipedia Reading Lists
Save Wikipedia articles to read on Wikipedia’s iOS and Android apps
Rated 2.7 out of 5
Wikimedia Foundation
462 users
Turn Off YouTube Comments & Live Chat
Turn off YouTube comments and/or hide YouTube live chat on videos.
Rated 4.3 out of 5
Unhook
462 users
Adaptive Darkmode
A simple add-on that lets you pick and choose what sites to apply a slick, dark mode to.
Rated 5 out of 5
Ninety Nine for One
462 users
VivaldiFox
A dynamic theme that allows colouring Firefox in a Vivaldi style fashion.
Rated 4.7 out of 5
Tim Nguyen
461 users
Dark Mode for Google Translate
Enhances Google Translate with a dark mode for better readability in low-light environments.
Rated 4.1 out of 5
charaf.dev
461 users
BewlyCat
Just make a few small changes to your Bilibili homepage.
Rated 5 out of 5
Keleus
460 users
DivMagic
Copy elements from any webpage as reusable web components Copy design from any website Transform elements from any webpage into reusable web component, in CSS or Tailwind CSS. Unleash the power of effortless element conversion with DivMagic
Rated 4 out of 5
BL
459 users
Night Mode Pro
Switch to night mode and the display is much easier on your eyes!
Rated 3.9 out of 5
Elen
457 users
Umami
Shows just the recipe and skips the rest. Save and customize the recipes you like.
Rated 5 out of 5
Umami
455 users
Tabs Aside
Set your open tabs aside and store them for later. They will be stored in a new folder in your bookmarks and can be restored all at once via the sidebar. https://github.com/tim-we/tabs-aside
Rated 4.2 out of 5
Tim Weißenfels
455 users
Wide GitHub
Makes GitHub wide on Mozilla Firefox. Supports GitHub, private Gists, GitHub Enterprise, and custom domains (TLDs).
Rated 4.8 out of 5
fabiocchetti
453 users
Show YouTube Upload Date
Shows upload date of YouTube video, regardless of window size.
Rated 2 out of 5
Trevor Raney
453 users
MailTo
One click to open your mail client with the current tab's URL in a new message
Rated 3.3 out of 5
Anthropohedron
452 users
Better Subscriptions for Youtube™
This plugin for Firefox aims to make navigating YouTube's subscription grid easier by allowing users to hide watched videos. Github: https://github.com/OsaSoft/youtube-better-subscriptions
Rated 3.9 out of 5
OsaSoft
451 users
Gmail Show Time
Shows full date/time in email listing and detail headers.
Rated 4.1 out of 5
CleverInsert
449 users
ZIP Manager
Open local and remote ZIP archives to extract all files or a single one
Rated 5 out of 5
Lunu
448 users
YoutubeDL-Material
The official Firefox extension of YoutubeDL-Material, an open-source and self-hosted YouTube downloader.
Rated 3.4 out of 5
tzahi12345
448 users
Auto Refresh A
Automatically refresh the page every 60 seconds.
Rated 5 out of 5
pabloduenas
447 users
visited-color-picker
Change the color of visited link with the color of your choice
Rated 3.6 out of 5
Firefox user 14410953
446 users
Extra sounds
Extra sounds for your Firefox (Navigation, downloads, and more)
Rated 4.7 out of 5
Jawhien
445 users
Mercator Studio for Google Meet
Change how you look on Google Meet with adjustable exposure, blur, vignette, and more!
Rated 4.6 out of 5
Xing
445 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
444 users
Better YouTube
Better Youtube extends the Youtube Gaming Livestream Chat with many different features that make general use more attractive! (Twitch Emotes, BTTV & FFZ Emotes, ...)
Rated 5 out of 5
Julian
444 users