12,397 extensions found in Appearance

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Clock-hours
Adds hour part of clock to your Toolbar. No permissions required.
Rated 4.6 out of 5
ppp
255 users
SCPper for Firefox
Handy little thing to improve your SCP browsing experience
Rated 4 out of 5
FiftyNine
254 users
Motivation
Replace new tab page with Motivation. Once installed, enter your date of birth and then, every time you open a new tab, a live calculation of your age will appear. Click to preview: https://motivation-new-tab.github.io/
Rated 4.5 out of 5
Dmytrii Lysak
254 users
Alexa RANK
Alexa Traffic Rank is Alexa Internet's free extension for Mozilla. Alexa Traffic Rank accompanies you as you surf, providing you with Alexa.com data about the sites you visit without interrupting your browsing.
Rated 3.5 out of 5
thoduongluat.com
253 users
Dark YouTube Theme - Black YouTube Theme
Black YouTube. Black YouTube theme protects eyes by changing Youtube
Rated 4.2 out of 5
Package tracker
253 users
10 Minutes Disposable email
Temporary disposable 10 minutes email address. Protect your email from spam, bots and phishing easy to use firefox addon.
Rated 4.7 out of 5
Privatix
253 users
Tab Numbers
This extension writes the tab number to the tabs, the ones accessible with ctrl/cmd + number
Rated 3.5 out of 5
Sachin Biradar
252 users
YouTube Autohide
Automatically hides YouTube playback controls while paused. Works on fullscreen videos and allows the user to change the delay.
Rated 4 out of 5
SWB
252 users
Disney+ Skipper
Automatic skips the intro, summary & automatically plays the next episode on fullscreen on Disney+.
Rated 2.2 out of 5
Davidowiz
252 users
NotionCn
中文 Notion 插件，社区人工翻译校验。插件封装由 Notion.Pet 提供。
Rated 3.7 out of 5
胡俊平
252 users
Webtoons dark mode
Changes background color from white to black, when viewing a comic on webtoons.com
Rated 3 out of 5
azerzy
252 users
mywebook clipping tool
Use mywebook clipping tool browser extension to save articles, videos, images, products, discussions and more to your account for later reading and easy access.
Rated 3.5 out of 5
mywebook.com
252 users
Grammarly Dark
A dark theme for Grammarly documents.
Rated 2.5 out of 5
Bart Zalewski
252 users
Shuffle Tabs
Add a toolbar button which rearrange tabs in random order when clicked.
Rated 5 out of 5
Firefox user 13960281
251 users
a11y-outline
Many screen readers like JAWS or NVDA have shortcuts to bring up a list of landmarks, headings or links. This browser extension provides the same functionality without requiring a screen reader. Just press Ctrl+Shift+7.
Rated 4.5 out of 5
xi
249 users
Bookmarklets context menu
Add a context menu item contains only bookmarklets from bookmarks. With this extension, bookmarklets can make cross-origin requests, write to the clipboard, communicate with addons, etc. NEVER use untrusted bookmarklet!
Rated 4.7 out of 5
Mems
249 users
GiteeTree
基于 Octotree 的[码云](https://gitee.com)文件树插件
Rated 5 out of 5
Gitee
248 users
Image Info
Shows image resolution and size on mouse hover.
Rated 2.9 out of 5
Firefox user 13483736
248 users
Popout
Popout is simple extension that allows tabs to be opened in a separate minimal window.
Rated 3.3 out of 5
Space City Software, L.L.C.
247 users
Sci-Hub in Google Scholar
Appends a Sci-Hub direct link into Google Scholar results. You will see a "[sci-hub]" tag on the right side of your search.
Rated 5 out of 5
snlned
247 users
Lovely forks
Show notable forks of Github projects.
Rated 4.9 out of 5
musically_ut
245 users
Podcast Player Prime
An easy-to-use and lite podcast player.
Rated 3.6 out of 5
mark
244 users
Link Control
Adjust the color of your previously viewed links.
Rated 3.7 out of 5
John Datserakis
244 users
Pacman
All favorite game Pacman does not lose its relevance. You can play it right in your browser, even offline.
Rated 3.8 out of 5
mr_JSm1th
244 users
Custom Tab Title and Favicon
Firefox web extension to change the title and favicon of any tab depending on regular expressions applied to the tab address URL or title
Rated 3.6 out of 5
Guy de Pourtalès
243 users