Up & Coming Extensions

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Saved Password Editor Requires Restart

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

Rated 5 out of 5 stars (246)
90,544 users

CipherFox Requires Restart

Displays the current SSL/TLS cipher, protocol and certificate chain in the Add-on bar and Site ID dialog

Rated 5 out of 5 stars (32)
5,168 users

Lightbird Requires Restart

Standalone calendar UI for Lightning

Rated 4 out of 5 stars (14)
4,243 users

No need flash plugin on embeded youtube movies

No need flash plugin on embeded youtube movies

Rated 4 out of 5 stars (2)
6,623 users

Perspectives Requires Restart

Connect securely to https websites by checking certificates with network notaries. See http://www.perspectives-project.org

Rated 4 out of 5 stars (44)
4,101 users

F.B. Purity - Cleans Up Facebook

F.B. Purity hides the ads, app spam and other annoying clutter from your facebook news feed, lets you increase the font size, change colours plus many more features and generally makes Facebook a lot less annoying to use.

Rated 5 out of 5 stars (99)
33,937 users

Linkification Requires Restart

Converts text links into genuine, clickable links...

Rated 4 out of 5 stars (311)
21,166 users

Sidebar for Facebook™

Sidebar for Facebook™ brings Facebook™ right into your Firefox. Get notifications, status and photos from Facebook™ instantly.

Rated 5 out of 5 stars (7)
3,845 users

Addons Recent Updates Requires Restart

Show more addons recent updates

Rated 5 out of 5 stars (10)
1,588 users

RSS Icon in url bar

Add RSS icon into URL bar

Rated 4 out of 5 stars (42)
8,958 users

FolderFlags Requires Restart

Allows users to edit the flags Thunderbird sets on folders.

Rated 5 out of 5 stars (8)
4,394 users

Closy Requires Restart

Provides close all blank/duplicate tabs and Close all tabs to the left/right plus many other options.

Rated 4 out of 5 stars (31)
1,076 users

Live HTTP Headers (clone)

View HTTP headers of a page and while browsing.

This is an unofficial "Live HTTP headers" clone, mainly to fix the Replay feature!

Rated 4 out of 5 stars (7)
5,345 users

Allow HTML Temp Requires Restart

This Add-on allows to have HTML temporarily allowed in the currently displayed message by only one click. When switching to another message, it'll be shown automatically again in plain text or simple html mode (if this is your default mode).

Rated 4 out of 5 stars (60)
11,622 users

Irvine ContextMenu Requires Restart

Downloads links and images with Irvine.

Rated 5 out of 5 stars (25)
5,433 users

Private Tab

Adds private tabs.

Rated 5 out of 5 stars (255)
65,530 users

Ebank2 Plugin Requires Restart

K&H e-bank és electra belépés és tranzakció aláírás bővítmény / K&H ebank and electra login and transaction singing extension

Rated 2 out of 5 stars (19)
35,852 users

Stylish Sync

Sync engine for Stylish with backup / restore facility.

Rated 5 out of 5 stars (26)
5,577 users

View Dependencies Requires Restart

View Dependencies adds a tab to the Page Info window, in which it lists all the files which were loaded to show the current page.

Rated 4 out of 5 stars (35)
3,531 users

TimerFox Requires Restart

Easily counts down from a predefined number and alarms you when the count has reached zero.

Rated 4 out of 5 stars (21)
1,535 users