Midnight Lizard
Custom color schemes for all websites: night mode, dark themes, blue light filter, screen shader, high contrast, grayscale, etc.
10,191 users
Yahoo Toolbar and New Tab
This Add-on gives you a simplified version of Yahoo Toolbar along with Flickr images on every new tab. It also provides quick access to your top sites.
10,188 users
New Tab Tools
Customizes the new tab page. Add more tiles. Have a background image. Set new tile images and titles. See recently closed tabs. And more...
10,159 users
10,114 users
Auto Fullscreen
Auto Fullscreen for Firefox Quantum
10,033 users
YouTube Search Engine
Adds YouTube search engine to search engines.
10,005 users
Vietnamese Dictionary
Enables spell checking in Vietnamese with a wordlist based on Hồ Ngọc Đức’s Free Vietnamese Dictionary Project.
10,002 users
Telegram
Telegram Web
9,943 users
HackBar
A HackBar for new firefox (Firefox Quantum). This addon is written in webextension and alternatives to the XUL version of original Hackbar. Press F12 to use HackBar
9,905 users
9,899 users
Global Twitch Emotes
Twitch culture wherever you go! This extension replaces all Twitch.tv emote phrases with their actual emoticons
9,897 users
Bookmark Dupes
Display/Remove duplicate bookmarks, empty folders or descriptions
9,891 users
Modify Header Value
Add, modify or remove a header for any request on desired domains.
9,891 users
迅雷下载支持
该扩展用于实现迅雷11接管Firefox浏览器的下载请求。
9,877 users
9,864 users
View Recipes & Custom Web Search
Add View Recipes & Custom Web Search extension then click the icon on your toolbar to access Recipe Search plus Yahoo Web Search.
9,823 users
daily.dev | The homepage developers deserve
Get one personalized feed for all the knowledge you need as a developer.
9,821 users
YouTube™ Downloader Lite
A very lite YouTube downloader (FLV, WebM, 3GP, and MP4)
9,821 users
Calendly: Meeting Scheduling Software
Eliminate the back-and-forth of scheduling. Manage your meetings, scheduling links, and contacts — all in one place, from wherever you’re already working online.
9,806 users
Clockify Time Tracker
Track time from anywhere on the web and improve productivity.
9,767 users
Türkçe Yazım Denetimi
Türkçe Yazım Denetimi Turkish Spellchecker
9,714 users
Lumaly
Jetzt mit Lumaly Geld sparen.
9,669 users
Lingocloud - Web Translation Extension
Lingocloud is a bilingual translation extension, delivers a native reading experience at the Click of a button.
9,649 users
Seznam Doplněk – Esko
Zkrátí cestu na Seznam.cz a ochrání vás před podvodnými stránkami.
9,591 users
Always on Top
Sets "Always on Top" style for your Firefox window
9,575 users