User-Agent Switcher
Easily override the browser's User-Agent string
64,096 users
AdNauseam
Blocking ads and fighting back against advertising surveillance.
63,771 users
Global Speed
Set a default speed for video and audio.
63,709 users
Manuals Hunt and Search
Add the Manuals Hunt and Search extension to access over 30,000 manuals by clicking the favicon on the toolbar, and get web results from Yahoo® Search
62,847 users
Bitdefender TrafficLight for Firefox
Bitdefender TrafficLight adds a strong and non-intrusive layer of security to your browsing experience
61,854 users
Unpaywall
Get free text of research papers as you browse, using Unpaywall's index of ten million legal, open-access articles.
61,780 users
Okta Browser Plugin
Okta Browser Plugin
61,406 users
Cookie Quick Manager
An addon to manage cookies (view, search, create, edit, remove, backup, restore, protect from deletion and much more). Firefox 57+ is supported.
60,995 users
Saby Plugin Extension
Это расширение предоставляет транспортного агента для взаимодействия с приложением SBIS Plugin на сайте https://online.sbis.ru Расширение полностью бесплатно, не имеет пользовательского интерфейса, нужно исключительно для реализации канала связи.
60,870 users
Cookie-Editor
Cookie-Editor lets you efficiently create, edit and delete a cookie for the current tab. Perfect for developing, quickly testing or even manually managing your cookies for your privacy.
60,544 users
划词翻译
一站式划词 / 截图 / 网页全文 / 音视频翻译扩展,支持谷歌、DeepL、ChatGPT、百度等 9 个国内外主流翻译服务,均可用于全文翻译。能在 PDF 里使用。支持辅助键、快捷键、悬浮取词。
60,070 users
Popup Blocker Ultimate
Best Pop-up Blocker for Firefox. (Best in Rating, Performance, This addon does NOT collect user's data same as Poper Blocker)If your Firefox version is not 57+ please install version 8.1 from Official website.
59,738 users
Task Manager Tab & Custom Web Search
Add the Task Manager Tab & Custom Web Search extension and get productivity-enhancing tools online by clicking the favicon on the toolbar & enjoy access to Yahoo® search from your browser search bar.
59,544 users
Trend Micro Toolbar
See Links to Risky Websites at a Glance. Enhance Your Protection from Trend Micro Security Software.
59,406 users
YouTube Downloader
Looking for youtube video downloader? Install the YouTube Downloader and download video from YouTube.
56,130 users
56,104 users
Quick Live News & Custom Web Search
Install the Quick Live News & Custom Web Search extension and click the icon on the toolbar to access top news stories & customized web search from your browser
55,878 users
Old Reddit Redirect
Ensure Reddit always loads the old design
55,779 users
Dark Mode (WebExtension)
A global dark theme for the web
55,440 users
Flash Player
Flash Player runs and saves any flash file across the web. The Addon allows you to add any flash file into the app's playlist and access them on any website by simply clicking an extension icon.
53,660 users
Lilo - Search engine
add Lilo search engine to Firefox.Lilo is a fast and relevant search engine.Lilo gives its revenue to social and eco-friendly projects and acts for privacy.
53,611 users
Web of Trust, MyWOT/WOT: Website Reputation Rating
Instantly know which websites to trust! WOT protects you while you browse, warning you against dangerous sites that host malware, phishing, and more.
53,172 users
Startpage Privacy Protection
By installing the free Startpage Privacy Protection extension you will be able to stop trackers and cookies and set Startpage as your default search engine.
53,037 users
Redux DevTools
DevTools for Redux with actions history, undo and replay.
52,911 users
Proxy SwitchyOmega
Manage and switch between multiple proxies quickly & easily.
52,220 users