17,192 extensions found in Appearance

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Pesticide for Firefox
This extension inserts the Pesticide CSS into the current page, outlining each element to better see placement on the page. Copyright (c) 2014 Paul Molluzzo picked up by Samuel Corsi-House in 2020.
Rated 5 out of 5
Xenfo
163 users
NexusMods No Premium
Hides all Premium advertisements on Nexus Mods
Rated 4 out of 5
Insprill
163 users
Twitterのキーボードショートカットを無効化するやつ
disable twitter web keyboard shortcut for tweet page.
Rated 5 out of 5
bootjp
163 users
Sidebar for YouTube™
Easy Access to YouTube via Sidebar UI
Rated 3.9 out of 5
Martin
163 users
Search from Popup or ContextMenu
Fork of "Swift Selection Search". * Search by multiple search engines(GET or POST Method) at once * support folder management * support charset (UTF-8, RAW, Shift_JIS, EUC-JP, ISO-2022-JP, windows-1251, windows-1252(ISO-8859-1), Big5, GB18030).
Rated 4.8 out of 5
Yoshifumi Fuyuno
162 users
WP Hive - A better WordPress Repository
Get useful metrics such as the impact on memory usage & pagespeed, PHP errors, warning, Javascript issues, PHP compatibility, latest WordPress version compatibility, database footprint, activation error, and more right from the WordPress repository
Rated 2.5 out of 5
WP Hive Team
162 users
Sidebar+
Sidebar for Firefox
Rated 3.9 out of 5
zluka
162 users
Hoverflow
Preview links in nested tooltips without leaving your tab.
Rated 4.3 out of 5
Moonstop Software
162 users
YouTube Wide Volume Slider
Replaces YouTube's default volume slider with a wider one for easier volume control.
Rated 4.8 out of 5
Igor Kędzierawski
162 users
YouTube Spacebar Pause
Pauses YouTube Videos with Spacebar, Focussed or not. If you want to scroll comments via Spacebar, simply click on a comment and start scrolling.Pressing space button doesn't stop video when the focus is on like or subscribe button.
Rated 3.9 out of 5
3DIndian
162 users
Discogs Tempo Adjust
A browser extension to adjust track tempo on Discogs
Rated 5 out of 5
miseryconfusion
162 users
Next Page
Displays the next page by incrementing the last number in URL.
Rated 4 out of 5
LuskyNavy
162 users
Block Image Reloaded
Block images.
Rated 5 out of 5
SaidTorres3
162 users
Lichess Custom Themes, Boards - LichessHelper
2025 • Setup new themes, pieces, fonts, and boards, remove annoying notifications, popups, and so on.
Rated 5 out of 5
fullstackdev
162 users
Clear New Tab
Remove everything from the new tab page while keeping your theme background, or use any image, GIF, or video as a custom wallpaper.
Rated 4.9 out of 5
loftyshaky
161 users
Roblox 2016 Reimagined
Brings back the 2016 Roblox home page
Rated 5 out of 5
BuddyWinte
161 users
Click to Call
A lightweight extension that enables 'Click to Call' by converting phone numbers into clickable links.
Rated 3.8 out of 5
Nick Iacullo
161 users
Element Remover
Remove the unwanted parts of a web page with a simple right-click
Rated 2 out of 5
Apache Extensions
161 users
Larger YouTube videos in theater mode
Automatically switch to theater mode and use all available space in your browser window to display the video as large as possible.
Rated 3.8 out of 5
Blaise Kal
160 users
NotebookLM Categorizer
Adds category filter buttons to the NotebookLM notebook list based on titles.
Rated 5 out of 5
muharamdani
160 users
MathQuill for Gmail
WYSIWYG editing of math in Gmail (and possibly other pages)
Rated 5 out of 5
Dominique Unruh
160 users
Night Shift Google Drive
Basic extension that updates Google Drive to dark mode.
Rated 3.3 out of 5
Hthrace
159 users
FormSwift - Free PDF Editor
FormSwift - Free PDF Editor for Viewing, Editing and Signing PDF files. Drag-and-drop any PDF to instantly start editing.
Rated 1.6 out of 5
Firefox user 12626090
159 users
Last.fm Reworked
Enhances the Last.fm layout and user interface.
Rated 5 out of 5
mozartsempiano
159 users
MultiPass
This extension automatically send credentials for HTTP-Authentication based on a list of passwords associated to a regular expression.
Rated 4.6 out of 5
Gilles Crettenand
159 users