Extensions are like apps for your browser.
They add features to Firefox to make browsing faster, smarter, or just plain fun.
Unpaywall
Get free text of research papers as you browse, using Unpaywall's index of ten million legal, open-access articles.
28.476 users
Easy Youtube Video Downloader Express
WORKS WITH NEW YOUTUBE LAYOUT, "Best Youtube Video Downloader", Only one with 1080p Full-HD and 256kbps MP3 Direct Links. A clean, fast and simple addon for superfast and easy downloads in FLV, 3GP, MP3, MP4, 720p, 1080p qualities on Youtube pages.
393.870 users
Dictionary (Google™ Translate) Anywhere
"Dictionary (Google™ Translate) Anywhere" extension provides access to a floating multilingual Google Translate panel on any webpage.
25.219 users
Popup Blocker (strict)
Strictly block all popup requests from any website by default. A notification window is opened to allow you accept, reject, open the popup in background page, or redirect the current page to popup address
32.268 users
Update Scanner
Monitors web pages for updates. Useful for websites that don't provide Atom or RSS feeds.
14.456 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
814 users
Hacker News Enhancement Suite
Hacker News Enhanced.
593 users
Dark Theme for Google News
Makes the layout of Google News dark while retaining the original feel.
393 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.
46.108 users
Weather Extension
The best way to see the weather right in your browser. Easier than looking outside!
9.792 users
Forecast: Google™ Weather
A lightweight and accurate weather extension for the entire globe based on Google Technology
3.828 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. Easier than looking out the window !
68 users
Adblock Plus
Molest/a pels anuncis? Preocupat per seguiment? Instal·la Adblock Plus ara per recuperar el control d'Internet i canviar la manera com veus la web. Aquí teniu un breu resum en vídeo a http://www.youtube.com/watch?v=oNvb2SjVjjI
11.299.565 users
uBlock Origin
Finalment, un blocador eficient que utilitza pocs recursos de memòria i processador.
4.886.431 users
Video DownloadHelper
The easy way to download and convert Web videos from hundreds of YouTube-like sites.
3.192.499 users
Easy Screenshot
Capture a screenshot of the whole webpage, and save in your desktop in default.
2.563.548 users