15,631 extensions found in Appearance

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Séneca Fácil
Mejore la experiencia de usuario en el cuaderno de Séneca
Rated 5 out of 5
Gregorio Gutiérrez del Moral
703 users
Random password generator
A simple random password generator for Firefox browser
Rated 4.7 out of 5
Matija
701 users
Auto RTL/LTR Switcher
Automatically switch text direction based on input language and allow toggling page font (Vazirmatn) and direction.
Rated 5 out of 5
Hamed Takmil
699 users
Sound Booster
Adjust audio volume up to 600%
Rated 3 out of 5
Developer
697 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 4.6 out of 5
Stefan vd
694 users
Custom CSS
Overwrite or inject custom CSS into website.
Rated 4.2 out of 5
Kenny Ooi
694 users
ePUB Reader
View ePUB files right in your browser.
Rated 2.9 out of 5
Alexey Kuznetsov
693 users
External Video Player
Open any video with your favorite Android video player! Thanks to this extension you will be able to open online videos with any native video player like VLC, MxPlayer, etc.
Rated 4.3 out of 5
Alberto Gasparin
692 users
Twitter Real Verified
Restore Twitter's legacy verification and change the verification badge from users with Twitter Blue
Rated 4.6 out of 5
Luiserdef
692 users
SaveTabs
Saves URLs of open tabs into a text file.
Rated 3.3 out of 5
enchainingrealm
690 users
Zoom to Fill
This extension will zoom to fill the video in full screen. In other words, remove black bars while watching Youtube or Netflix or HBO or anything in full screen. Just Press 'Z' while in fullscreen watching the video. Boom. That's it.
Rated 3.4 out of 5
Yash Patel
689 users
Hide Images
Blocks all images on a webpage. Enable/disable using browser action.
Rated 3.7 out of 5
SavageRu
687 users
ChatGPT Timestamp
Displays timestamps for ChatGPT messages
Rated 5 out of 5
Yiwei Dai
683 users
Librus Average
This extension shows grade averages hidden by Librus Synergia
Rated 5 out of 5
Krzysztof Zdulski
680 users
Better YouTube Subtitles
Adds more customization options to YouTube subtitles.
Rated 4.8 out of 5
54ac
680 users
Reddit Video Url
Get urls for embedded Reddit videos.
Rated 4.1 out of 5
iBoonie
675 users
Permanent Inspect Element
Save the changes you make to a page with Inspect Element so they wouldn't go away after refreshing
Rated 1.6 out of 5
BreezB
674 users
Cat-In-Tab
A cat that can walk around on your page
Rated 4.6 out of 5
AaronTz
671 users
Docs Viewer
Easily view PDF and MS Office documents in your browser.
Rated 2.6 out of 5
Muyor
671 users
Old Google
Replaces the current Google logo on google.com and the search page to use the old 2010 – 2013 logo.
Rated 4.6 out of 5
toydotgame
671 users
Explain and Send Screenshots
Capture or record a video of your screen, write text or arrows and share it. The safest extension with NO crazy permissions!
Rated 3.9 out of 5
Jason Savard
670 users
Night Video Tuner
Protect your eyes and improve your sleeping cycles by adjusting video temperature and many other properties!
Rated 4.5 out of 5
Pyves
668 users
New Tab Google
Open Google.com homepage in a new tab
Rated 3.4 out of 5
Maweryck
667 users
Tab Saver
Allows you to manage and save tabs
Rated 4.2 out of 5
Mikhail Vyrtsev
666 users
File Icon for GitHub, GitLab and Bitbucket
A Firefox Add-On which gives different filetypes different icons to GitHub, Gitlab, Bitbucket, gitea and gogs.
Rated 4.9 out of 5
xxhomey19
664 users