Featured Extensions

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Pearltrees No Restart Featured

Pearltrees lets you organize all your interests.

Rated 5 out of 5 stars (245)
21,329 users

Tab Mix Plus Featured

Tab Mix Plus enhances Firefox's tab browsing capabilities. It includes such features as duplicating tabs, controlling tab focus, tab clicking options, undo closed tabs and windows, plus much more. It also includes a full-featured session manager.

Rated 4 out of 5 stars (2,515)
924,872 users

Advanced Cookie Manager Featured

A must have tool for Web Developers and Testers to Manage and monitor web cookies.

Features List:
Add
Delete
Modify
Export / Backup
Import / Restore
Monitor cookies

Available in English, French, Spanish, German and Italian languages.

Rated 4 out of 5 stars (29)
39,615 users

Free Memory No Restart Featured

An add-on to perform free-memory operations without visiting about:memory.

Rated 4 out of 5 stars (43)
27,460 users

Converter Featured

Contextual (inline) unit, timezone, and currency converter on any web site, plus custom conversions for offline text. Shopping assistant also included -- find the best deals online! (Currency conversions and shopping assistant disabled by default.)

Rated 5 out of 5 stars (74)
10,096 users

Saved Password Editor Featured

Adds the ability to create and edit entries in the password manager.

Rated 5 out of 5 stars (204)
91,928 users

Classic Toolbar Buttons No Restart Featured

'Classic Toolbar Buttons' add-on restores old toolbar button ui (known from Fx 4-7s small view, Fx 4-12s large view & Tb 5-14) for current Firefox, Thunderbird and Seamonkey versions on Windows.

Beta builds on versions page!

Rated 5 out of 5 stars (142)
40,478 users

Prevent Tab Overflow No Restart Featured

Make sure your tabs stay visible all the time.

Rated 5 out of 5 stars (47)
12,328 users

Image Block Featured

Image Block adds a toggle button that conditionally blocks/allows loading of images on webpages. Blocking images results in faster browsing, especially helpful on handheld devices or slower connections like GSM/GPRS/EDGE dial-up etc.

Rated 4 out of 5 stars (126)
51,906 users

Tab Scope Featured

Preview and navigate tab contents through popup.

Rated 4 out of 5 stars (453)
160,707 users

Gmail Notifier (restartless) No Restart Featured

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

Rated 4 out of 5 stars (230)
99,396 users

Blur No Restart Featured

Protect your Passwords, Payments, and Privacy.

Rated 3 out of 5 stars (681)
282,889 users

YouTube ALL HTML5 No Restart Featured

Play all videos on youtube without flash in your preferred size using only HTML5.

Rated 5 out of 5 stars (127)
114,511 users

ProCon Latte Content Filter Featured

Block web pages containing pornography or any other type of material based on keyword lists.

Rated 4 out of 5 stars (238)
56,098 users

Google™ Translator Lite No Restart Featured

Google™ Translator Lite

Rated 4 out of 5 stars (17)
64,368 users

FindBar Tweak No Restart Featured

Between simple tweaks such as placing the findbar in the top corner, to the powerful "Find in All Tabs" tool, it has everything to make the Find Toolbar a powerful and accessible research tool!

Rated 5 out of 5 stars (236)
29,247 users

The Addon Bar (Restored) No Restart Featured

Gives you a place to put all your add-on buttons without over-crowding the navigation bar.

Rated 5 out of 5 stars (273)
130,502 users

Tab notifier Featured

Enables desktop notifications like in Chrome (e.g. Gmail, imo.im) and, if the site doesn't support them, it can notify new messages or updates detecting changes of the title (e.g. Hotmail, Yahoo, Facebook, Twitter). Even if the browser is minimized!

Rated 4 out of 5 stars (38)
6,313 users

FireSSH Featured

FireSSH is a free, cross-platform SSH terminal client for Mozilla Firefox. Written entirely in Javascript!

Rated 4 out of 5 stars (83)
29,662 users

Print pages to Pdf Featured

Creates one Pdf from any amount of open Browsertabs,Bookmarks/-folder, Scrapbook(Plus) pages. This document can be archived, sended by e-mail or printed out with any standard Pdf Viewer.

Rated 4 out of 5 stars (267)
173,945 users