Extensões mais populares

Subscrever

Image Zoom

Adds zoom and rotation functionality for images...

Avaliado em 4 de 5 estrelas (327)
176.489 utilizadores

Live HTTP Headers

View HTTP headers of a page and while browsing.

Avaliado em 4 de 5 estrelas (154)
172.269 utilizadores

Forecastfox Weather

Get international weather forecasts from AccuWeather.com and display them in any toolbar or statusbar with this highly customizable and unobtrusive extension.

Avaliado em 4 de 5 estrelas (1.030)
167.300 utilizadores

LookOut

LookOut is a plugin which allows Thunderbird to interface with Microsoft's mail tools by decoding metadata and attachments encapsulated/embedded in a TNEF encoded attachment (aka winmail.dat).

Avaliado em 4 de 5 estrelas (144)
166.447 utilizadores

ChatZilla

A clean, easy to use and highly extensible Internet Relay Chat (IRC) client.

Avaliado em 4 de 5 estrelas (125)
156.545 utilizadores

Copy Urls Expert

Provides options to 'Copy Urls of All Opened Tabs in Current Window', 'Copy Urls of Tabs in All Windows', 'Copy Urls of All Links in Selected Text' and 'Copy Urls of All Images in Selection'. Allows to open multiple tabs.

Avaliado em 5 de 5 estrelas (59)
148.704 utilizadores

JavaScript Debugger

As of Firefox 33, Venkman *no longer works*, as the APIs which it needs have been removed.

Venkman is the code name for Mozilla's JavaScript Debugger. Venkman aimed to provide a powerful JavaScript debugging environment for Mozilla based browsers.

Avaliado em 4 de 5 estrelas (49)
148.365 utilizadores

Enigmail Em destaque

OpenPGP message encryption and authentication for Thunderbird and SeaMonkey.

Avaliado em 4 de 5 estrelas (179)
144.676 utilizadores

Bluhell Firewall Sem reínicio

Get a faster browsing experience by blocking nasty web resources using Bluhell Firewall, the lightweight Ad-Blocker and Tracking/Privacy Protector.

Avaliado em 5 de 5 estrelas (220)
140.565 utilizadores

Toolbar Buttons

Adds toolbar buttons to the customize toolbar window in several programs including Firefox, Thunderbird and SeaMonkey. Some of the buttons make commonly preformed actions quicker, others add new functionality.

Avaliado em 4 de 5 estrelas (317)
138.880 utilizadores

IE Tab +

Uma versão melhorada do IE Tab que permite usar o motor do IE dentro do Mozilla/Firefox.

Avaliado em 3 de 5 estrelas (83)
138.639 utilizadores

Screengrab (fix version)

Screengrab! saves webpages as images.
0.98 released!
New features: upload to internet

Avaliado em 5 de 5 estrelas (241)
138.329 utilizadores

DOM Inspector

DOM Inspector is a tool that can be used to inspect and edit the live DOM of any web document or XUL application. The DOM can be navigated using a two-paned window displaying a variety of different views on the document and all nodes within.

Avaliado em 5 de 5 estrelas (60)
136.913 utilizadores

Thumbnail Zoom Plus

Shows full image when you hover over a thumbnail. Works with Amazon, Baidu Images, Bing Images, Facebook, Flickr, Google+, Google Images, IMDb, LinkedIn, Netflix, Pinterest, Reddit, Twitter, Yandex, YouTube, Wikipedia, Yahoo Images, & many more.

Avaliado em 5 de 5 estrelas (289)
135.445 utilizadores

PDF Viewer Sem reínicio

PDF.js brings Portable Document Format (PDF) reading capabilities to your browser using web standard technologies.

Please report issues to: https://github.com/mozilla/pdf.js/issues

Avaliado em 4 de 5 estrelas (262)
134.800 utilizadores

Gmail Manager

The original Gmail notifier for multiple accounts. Allows you to receive new mail notifications along with viewing account details including unread messages, saved drafts, spam messages, labels with new mail, space used, and new mail snippets.

Avaliado em 4 de 5 estrelas (1.339)
134.280 utilizadores

Youtube MP3 Podcaster

Self contained add-on for downloading youtube videos to mp3 for easy listening on podcasting gadgets like a Zune or iPod

Avaliado em 4 de 5 estrelas (197)
132.912 utilizadores

X-notifier (for Gmail,Hotmail,Yahoo,AOL ...)

Notifier for gmail, yahoo, hotmail, aol and more webmails.
X-notifier(aka WebMail Notifier) checks your webmail accounts and notifies the number of unread emails...
Supports : gmail, yahoo, hotmail, POP3/IMAP, facebook, twitter and more

Avaliado em 4 de 5 estrelas (1.617)
114.704 utilizadores

RequestPolicy

Be in control of which cross-site requests are allowed. Improve the privacy of your browsing by not letting other sites know your browsing habits. Secure yourself from Cross-Site Request Forgery (CSRF) and other attacks.

Avaliado em 4 de 5 estrelas (210)
111.511 utilizadores

ReminderFox Em destaque

ReminderFox displays and manages lists of reminders and ToDo's. ReminderFox makes sure you remember all of your important dates via easy-to-use lists, alerts, and alarms, right in your browser without the need for a separate calendar program.

Avaliado em 4 de 5 estrelas (483)
102.158 utilizadores