14,425 extensions found in Appearance

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WhatRuns
Discover what runs a website - This Firefox extension helps you identify technologies used on any website at the click of a button.
Rated 4.1 out of 5
Whatruns
5,268 users
Instagram Hide Reels, Explore Page - IGPlus
2025 • Open-source • Disable Instagram Reels, videos, comments, suggestions wall, vanity metrics, homepage recommendations, trending... and many more.
Rated 4.8 out of 5
fullstackdev
5,177 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
5,123 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
5,121 users
EuroSaver - Amazon Europe Price Comparison
Simplifies Amazon product price comparison between all european Amazon stores.
Rated 4.8 out of 5
Foundere Developer
5,100 users
Improve Crunchyroll
Enhance Crunchyroll: theater mode, skip intros/outros, mark as watched/not watched, fast forward/backward buttons, dark mode, ...
Rated 4.4 out of 5
Thomas Tavernier
4,985 users
Mouse Gesture Events
Control your browser faster and easier with gestures using mouse movement.
Rated 4 out of 5
Simpler
4,980 users
Timer (alarm, timer and stopwatch)
Stylish timer combined with stopwatch and alarm for your browser.
Rated 4.1 out of 5
Karl
4,927 users
RYS — Remove YouTube Suggestions
Stop the YouTube rabbit hole. Customize YouTube's user interface to be less engaging.
Rated 4.3 out of 5
Lawrence
4,864 users
Copy Selected Links
Right-click selected text to copy the URL of any links it contains.
Rated 4.8 out of 5
Marnes
4,804 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
4,803 users
Prolific Assistant
Monitors https://prolific.com/ for new studies.
Rated 2.9 out of 5
Prolific
4,785 users
Allow Copy Plus
Unlocks content with allow copy feature.
Rated 4.9 out of 5
Allow Copy Plus
4,693 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
4,673 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
4,665 users
Country Flag +
Shows country flag based on the server location of the active tab's url
Rated 3.8 out of 5
Glin
4,613 users
Window Resizer
Easily set the layout (size & position) of your browser window
Rated 2.9 out of 5
Kelvin
4,612 users
Page Screenshot
Take a screenshot from the entire website with just one click.
Rated 2.8 out of 5
Bernard
4,609 users
Reload All Tabs
Reload all tabs using keyboard shortcut or toolbar button.
Rated 4.2 out of 5
Glin
4,586 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
4,527 users
Dreamy Tab
Bring a Breath of Fresh Air to Your Tabs
Rated 4 out of 5
To Go Networks
4,494 users
Nuke Anything Enhanced
Allows you to hide almost anything in any page via context menu
Rated 4.3 out of 5
Patrick Abi Salloum
4,484 users
Adless Spotify
Mutes Spotify's Webplayer when advertisements are played.
Rated 4.8 out of 5
NCIH
4,464 users
nightTab
A neutral new tab page accented with a chosen colour. Customise the layout, style, background and bookmarks in nightTab.
Rated 4.9 out of 5
zombieFox
4,401 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
4,384 users