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...
10,101 users
YouTube Search Engine
Adds YouTube search engine to search engines.
10,051 users
10,007 users
daily.dev | The homepage developers deserve
Get one personalized feed for all the knowledge you need as a developer.
9,989 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.
9,966 users
Lumaly
Jetzt mit Lumaly Geld sparen.
9,922 users
Bookmark Dupes
Display/Remove duplicate bookmarks, empty folders or descriptions
9,913 users
Auto Fullscreen
Auto Fullscreen for Firefox Quantum
9,871 users
Vietnamese Dictionary
Enables spell checking in Vietnamese with a wordlist based on Hồ Ngọc Đức’s Free Vietnamese Dictionary Project.
9,812 users
Midnight Lizard
Custom color schemes for all websites: night mode, dark themes, blue light filter, screen shader, high contrast, grayscale, etc.
9,770 users
Global Twitch Emotes
Twitch culture wherever you go! This extension replaces all Twitch.tv emote phrases with their actual emoticons
9,760 users
9,720 users
9,717 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.
9,716 users
9,707 users
Clockify Time Tracker
Track time from anywhere on the web and improve productivity.
9,683 users
Telegram
Telegram Web
9,681 users
YouTube™ Downloader Lite
A very lite YouTube downloader (FLV, WebM, 3GP, and MP4)
9,573 users
Password Generator Pro & Custom Web Search
Add the Password Generator Pro & Custom Web Search extension to generate secure passwords by clicking the favicon on your browser toolbar, and enjoy customized web search by Yahoo!®
9,533 users
Youtube Ad Auto-skipper
Youtube Ad Skipper is an extension that auto skips ads after youtube provides a skip ad button. It does not block an ad.
9,472 users
Simple mass downloader
A simple but powerful mass downloader. Download links from multiple tabs at once, from the clipboard or selected text on web pages. Advanced filtering or multi-renaming options. User-defined automatic download folders.
9,457 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.
9,424 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。
9,411 users
Always on Top
Sets "Always on Top" style for your Firefox window
9,400 users
9,374 users