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Download Manager (S3)

View and manage downloads from a tidy statusbar

This is a new life in Firefox 26+ for old well-known addon Download Statusbar

New Features: Replace Downloads Library page.
Now you have full control of your downloads history!

Rated 5 out of 5 stars (268)
112,194 users

Cookies Manager+

Cookies manager to view, edit and create new cookies. It also shows extra information about cookies, allows edit multiple cookies at once and backup/restore them.

Rated 4 out of 5 stars (77)
111,371 users

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.

Rated 4 out of 5 stars (1,346)
110,437 users

AdBlock Lite No Restart

Block ads seamlessly on popular websites

Rated 3 out of 5 stars (36)
109,452 users

Tree Style Tab

Show tabs like a tree.

Rated 4 out of 5 stars (1,290)
108,001 users

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

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

Rated 4 out of 5 stars (1,639)
106,888 users

JSONView No Restart

View JSON documents in the browser.

Rated 5 out of 5 stars (141)
106,083 users

EagleGet

EagleGet Downloader Extension.

Rated 4 out of 5 stars (6)
104,870 users

xThunder

Manage popular downloaders (Windows, Linux, Mac) and support special links of thunder,flashget,qqdl,ed2k,magnet,fs2you.

Rated 5 out of 5 stars (82)
104,075 users

Gmail Notifier (restartless) No Restart Featured

Multiple account (or label) Gmail notifier (without storing passwords)

Rated 4 out of 5 stars (246)
101,698 users

Video WithOut Flash No Restart Featured

Watch videos without flash

Rated 3 out of 5 stars (61)
100,992 users

Theme Font & Size Changer No Restart Featured

Theme Font & Size Changer lets you change the global font size and font family used for the user interface in Firefox. Design your browser with your favorite font.

Rated 5 out of 5 stars (167)
99,667 users

Updated Ad Blocker for Firefox 11+

It blocks ads on the web pages you visit including Youtube, Hulu, TwitchTV/JustinTV, most Major News Sites(cnn/fox/nbc/msnbc) and many more. Ads from services like Google AdSense Yahoo DoubleClick It also blocks the GoogleAnalytics tracking script.

Rated 3 out of 5 stars (51)
99,110 users

UnMHT No Restart

UnMHT allows you to view MHT (MHTML) web archive format files, and save complete web pages, including text and graphics, into a single MHT file in Firefox/SeaMonkey.

Rated 5 out of 5 stars (221)
98,575 users

StumbleUpon

StumbleUpon is the easiest way to discover new and interesting photos, videos, web pages and more, recommended by a community of experts. Tell us what you are interested in and we recommend page after page of amazing stuff you’d never expect to see.

Rated 4 out of 5 stars (215)
98,185 users

All-in-One Gestures

This extension allows you to execute common commands using mouse gestures, rocker navigation, scroll wheel navigation and page...

Rated 4 out of 5 stars (428)
98,173 users

PDF Viewer(discontinued) No Restart

THIS ADD-ON IS NO LONGER UPDATED PLEASE USE THE BUILT IN PDF VIEWER.

Rated 4 out of 5 stars (269)
97,801 users

Browsec VPN No Restart

Encrypts traffic and unlocks sites.

Facebook closed by an overzealous sysadmin? Browsec to the rescue!

Browsec encrypts your traffic and routes it through our secure cloud. No one will be able to identify, track you or sniff your traffic.

Rated 4 out of 5 stars (60)
97,675 users

ReminderFox

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.

Rated 4 out of 5 stars (505)
96,217 users

Click&Clean

The quick and easy way to delete your browsing history, erase all temporary internet files, remove downloaded files history, cookies, Flash LSO, typed URLs. Allows to delete private data when Firefox closes. Supported ext. tools like CCleaner.

Rated 5 out of 5 stars (94)
96,173 users