9,439 extensions found in Appearance

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GIF Maker
Create animated GIFs from existing video file(s) or images!
Rated 2.9 out of 5
keller
601 users
Classroom Dark Mode
Dark mode for Google Classroom
Rated 4.4 out of 5
Ryan Luu
598 users
YouTube Full Windowed
This extension adds the ability to toggle a full windowed mode in YouTube website
Rated 4.6 out of 5
Dennis
596 users
JSON Beautify It
Tool for beautifying JSON data, AJAX or API responses in browser
Rated 3.6 out of 5
Igor Lazarev
594 users
Color Temperature (Change Lux)
An easy to use screen color temperature addon!
Rated 4.7 out of 5
Elen
591 users
Simple link preview
Preview links without leaving your current page.
Rated 4 out of 5
Lecron
591 users
Save Tab URLs
Show, save and restore the page URLs along with page Titles of all opened tabs of current browser window. Show as copyable plaintext. Save and restore from text file.
Rated 3.9 out of 5
M A
591 users
Date Today for Firefox
The best clock displays the current date and time at a glance. It offers a digital clock in the browser toolbar and an analog clock in the web browser's menu bar, allowing you to know the current date and time with just one blink.
Rated 4.5 out of 5
Stefan vd
590 users
Night Mode Pro
Switch to night mode and the display is much easier on your eyes!
Rated 3.9 out of 5
Elen
588 users
TWP - Translate Web Pages (Custom)
Translate your page in real time using Google or Yandex. This extension is a fork of TWP - Translate Web Pages.
Rated 4.9 out of 5
Firefox User 16906330
584 users
Universal Automatic Currency Converter
Your new automatic currency converter. Completely customizable. Completly free.
Rated 4.2 out of 5
Baizey
584 users
Open in Safari
Open current page, link, or all tabs in the Safari browser.
Rated 4.6 out of 5
Andy Portmen
583 users
Close Tab Button Quantum
Toolbar button to close the current tab. Works on the newest version of Firefox. This is a replacement for browser.tabs.closeButtons feature set to '3' of old firefox.
Rated 4 out of 5
Firefox user 13510456
583 users
Nord Theme
A Firefox Theme designed with nord color palette.
Rated 4.8 out of 5
Crozbo
582 users
YouTube Ad Skip & Mute
YouTube Ad Skipper is an extension that mute all ads and auto skips ads after YouTube provides a skip ad button. It does not block an ad.
Rated 3.5 out of 5
Izan
581 users
AD Blocker add-on
Extension to block the ads.
Rated 3.5 out of 5
Code Blood
578 users
Save Tabs - Browser Session Manager
A password protected tab saver extension to store tabs in the current window, or all windows
Rated 3.4 out of 5
emano waldeck
577 users
Yawas Web Highlighter
Highlight and comment web pages. Your highlights are stored in your browser bookmarks, automatically recreated when you revisit a web page.
Rated 3.4 out of 5
Laurent Denoue
575 users
Disable Tab Detach 2
Disable tab tearing. Prevents unintentionally detaching a tab from the window. When the tab is detached from the window, return it to the original position.
Rated 5 out of 5
zupffwhy
573 users
mtab
a simple configurable new tab extension
Rated 5 out of 5
Max Hu
570 users
Multi Find: Search, Highlight, Explore
Find and highlight multiple words on webpages. Count occurrences, browse the results and locate words with colorful scrollbar marks.
Rated 4.3 out of 5
Vincent Greco
569 users
Btools
逼砣，以B站为主增强网站功能，优化网站浏览体验。致力于简洁实用方便。
Rated 4.6 out of 5
imba久期
568 users
VivaldiFox
A dynamic theme that allows colouring Firefox in a Vivaldi style fashion.
Rated 4.7 out of 5
Tim Nguyen
567 users
GIFs for GitHub
Easily search GIPHY to add a GIF into any Github comment box.
Rated 5 out of 5
Nick
566 users
Clear FANDOM wikia pages
This addon hides non-informative parts of the 'fandom.com' Wikia sites, leaving a clear view for you of the important content. (It is NOT an ad blocker; use it with UBlock Origin for a clearer experience.)
Rated 5 out of 5
TheRealSpy
565 users