Extensions are like apps for your browser.
They add features to Firefox to make browsing faster, smarter, or just plain fun.
Resurrect Pages
Dead pages, broken links, the scourge of the internet. Powerhouse sites like Slashdot and Digg can bring a server to its knees. What do we do when a page is dead but we still want to see it? Call in the clerics, and perform a resurrection...
10,788 users
Context Search
Search selected text using your preferred search engines. Right-click or Shift-click on selected text to respectively launch the context menu or the grid of icons. You can also perform searches using keywords in the url address bar.
8,499 users
Vertical Tabs Reloaded
This Firefox add-on arranges tabs in a vertical rather than horizontal fashion. Hide and display manually the tab sidebar with a hotkey (Ctrl+Shift+V) or by clicking on the VTR icon.
4,944 users
User-Agent Switcher and Manager
Spoofs User-Agent strings of your browser with a new one globally, randomly or per hostname
16,327 users
Hacker News Enhancement Suite
Hacker News Enhanced.
1,474 users
Update Scanner
Monitors web pages for updates. Useful for websites that don't provide Atom or RSS feeds.
14,638 users
Latest BBC News
Displays latest BBC News in a popup widget Get all the latest BBC News headlines with a single click. Opens a popup widget with the latest news headlines. Quick access to Business Health Science & Environment Technology Entertainment
1,801 users
Dark Theme for Google News
Makes the layout of Google News dark while retaining the original feel.
1,051 users
Forecastfox (fix version)
Get international weather forecasts from AccuWeather.com and display them in any toolbar or statusbar with this highly customizable and unobtrusive extension.
46,455 users
Weather Extension
The best way to see the weather right in your browser. Easier than looking outside!
11,880 users
Forecast: Google™ Weather
A lightweight and accurate weather extension for the entire globe based on Google Technology
4,296 users
Toolbar Weather
This extension shows in your toolbar the current weather and the degree in Celsius, when you click is possible see more details about the weather on your city. In addition to being able to view the forecast for the next 24 and 48 hours.
428 users
Adblock Plus
Blocks annoying video ads on YouTube, Facebook ads, banners and much more. Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).
11,027,851 users
uBlock Origin
Finally, an efficient blocker. Easy on CPU and memory.
4,855,695 users
Video DownloadHelper
The easy way to download and convert Web videos from hundreds of YouTube-like sites.
3,097,610 users
Easy Screenshot
Capture a screenshot of the whole webpage, and save in your desktop in default.
2,236,872 users