Modify Header Value
Add, modify or remove a header for any request on desired domains.
10,074 users
YouTube Search Engine
Adds YouTube search engine to search engines.
10,029 users
9,999 users
daily.dev | The homepage developers deserve
Get one personalized feed for all the knowledge you need as a developer.
9,978 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.
9,940 users
Bookmark Dupes
Display/Remove duplicate bookmarks, empty folders or descriptions
9,912 users
Lumaly
Jetzt mit Lumaly Geld sparen.
9,890 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.
9,793 users
Midnight Lizard
Custom color schemes for all websites: night mode, dark themes, blue light filter, screen shader, high contrast, grayscale, etc.
9,771 users
Global Twitch Emotes
Twitch culture wherever you go! This extension replaces all Twitch.tv emote phrases with their actual emoticons
9,749 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.
9,704 users
9,699 users
9,694 users
9,692 users
Clockify Time Tracker
Track time from anywhere on the web and improve productivity.
9,667 users
Telegram
Telegram Web
9,636 users
YouTube™ Downloader Lite
A very lite YouTube downloader (FLV, WebM, 3GP, and MP4)
9,543 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.
9,453 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.
9,444 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.
9,428 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!®
9,420 users
Always on Top
Sets "Always on Top" style for your Firefox window
9,395 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。
9,388 users
9,367 users