14,623 extensions found in Appearance

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Asciidoctor.js Live Preview
Render AsciiDoc (.ad, .adoc, .asciidoc) as HTML inside Firefox!
Rated 4.6 out of 5
Guillaume Grossetie
1,858 users
Renewed Tab - New Tab
A customisable New Tab page, with widgets and beautiful backgrounds
Rated 4.9 out of 5
rubenwardy
1,857 users
Youtube List View
Brings back the list view for the subscriptions page and more. Click the extension icon for customization options.
Rated 4.8 out of 5
rinky
1,849 users
Change Timezone (Time Shift)
Easily change your timezone to a desired value and protect your privacy.
Rated 2.9 out of 5
ilGur
1,848 users
Export ChatGPT
Export your ChatGPT threads in the Markdown format with the'Export ChatGPT' extension. this tool is a must-have for ChatGPT users.
Rated 2.4 out of 5
Mohalobaidi
1,834 users
Speed Dial | SwiftDial
Speed Dial | Home Page | New Tab | 📱 Modern | 🎨 Easily  customizable | 🛡️ Privacy-friendly |
Rated 4.7 out of 5
nScript
1,822 users
Mute Tab (WebExtension)
Easily mute all tabs with just one click!
Rated 4.2 out of 5
Kelvin
1,817 users
Send to Outline
Sends the reader to the same article on https://outline.com I'm not affiliated with the team at all, just wanted to use their extension in Firefox Extension is open source (https://github.com/okhwaja/outline-extension) and MIT Licensed
Rated 4.7 out of 5
okhwaja
1,810 users
Note Sidebar for Firefox
Simple note sidebar which can be used to write a note, record thoughts, to-do list, meeting notes, etc.
Rated 4.6 out of 5
Stefan vd
1,807 users
Regex Search
Search or Highlight in HTML using Regular Expression (REGEX)
Rated 3.1 out of 5
Mohd_PH
1,803 users
Ambient light for YouTube™
Immerse yourself in YouTube™ videos with ambient light!
Rated 4.9 out of 5
Wezelkrozum
1,790 users
Speed Dial
Access to your favorite websites via an stylish speed dial!
Rated 3 out of 5
Mark Lumnert
1,783 users
JSON-formatter
Fast JSON formatting.
Rated 3.8 out of 5
Alexei Moroz
1,780 users
View Page Source (Mobile)
Adds the ability to open the page source in a new tab via button (Desktop) or menu (Firefox for Android).
Rated 4.3 out of 5
David Pacassi Torrico
1,775 users
Equalizer for YouTube™
Audio equalizer for YouTube and embedded videos.
Rated 3.5 out of 5
Muyor
1,768 users
Sticky Notes
Put sticky notes on the web page. Jump to sticky from sidebar. Share stickies between browsers. (need login to server)
Rated 3.5 out of 5
Hiroki Kumamoto
1,768 users
Enable Selection and Copy
Force enable text selection and copy. (mod by Gary) This is modded from another well-known addon and makes it function on local files also. Nothing else changed.
Rated 4.7 out of 5
GarryW
1,765 users
Custom Cursors for Firefox
Fun custom cursors for Firefox. Use a large collection of free cursors or upload your own.
Rated 2.1 out of 5
Best_codes
1,763 users
Extended Color Management
By FirefoxBy Firefox
Ever wish that Firefox didn't use color management when viewing images or video? Turn it off easily with this add-on.
Rated 4.4 out of 5
Firefox
1,752 users
Assinador Web
Executa applets fora do navegador
Rated 4.3 out of 5
SEFAZ-AM
1,751 users
GMX.com MailCheck for USA, CA, UK, FR and ES
The fast and secure click to your GMX International inbox.
Rated 3.6 out of 5
1&1 Mail & Media GmbH
1,742 users
YouTube Shorts Normal Player
Plays YouTube Shorts in the normal YouTube player so you can rewind the the videos.
Rated 4.8 out of 5
j127
1,742 users
Dark Theme for YouTube™
A Dark and Smooth Theme for YouTube™.
Rated 4.3 out of 5
Mark Lumnert
1,733 users
AutoFormer+
Simple form filler.
Rated 4.1 out of 5
Mykola Onyshchuk
1,730 users
Bing AI for Firefox
This add-on removes the limits of Microsoft Copilot / Bing AI (ChatGPT v4) for Mozilla Firefox by setting appropriate features for the browser.
Rated 3.8 out of 5
Patrik Martinko
1,729 users