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Private Tab

Adds private tabs.

Rated 5 out of 5 stars (312)
80 users

Forecastfox Weather Requires Restart

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

Rated 4 out of 5 stars (933)
22 users

Quote Colors Requires Restart

Quote Colors allows you to select text and background colors of different quote levels which are applied when reading or printing mail/news messages. Additionally, you can choose between graphical and traditional plain text quoting display mode.

Rated 5 out of 5 stars (52)
148 users

Old Default Image Style

Restores the default image style used for top-level images in previous versions of Firefox.

Rated 5 out of 5 stars (92)
15 users

RequestPolicy Continued

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.

Rated 4 out of 5 stars (28)
7 users

Custom Buttons Requires Restart

Gives a possibility to create custom toolbarbuttons...

Rated 4 out of 5 stars (125)
26 users

Contact Photos Requires Restart

Displays contact photos in the message header.

Rated 4 out of 5 stars (31)
101 users

Font Finder Requires Restart

FontFinder is created for designers, developers and typographers. It allows a user to analyze the font information of any element on a page, copy any piece(s) of that information to the clipboard, and perform inline replacements to test new layouts.

Rated 4 out of 5 stars (80)
7 users

AutoProxy-ng Requires Restart

This is a fork of AutoProxy, which can run the latest version of Firefox.

Rated 5 out of 5 stars (35)
1 user

Transliterator

As-you-type phonetic conversion of text from one alphabet to another, as well as transliteration/detransliteration of selected text anywhere within documents. Supports multiple languages and custom transliteration schemes.

Rated 5 out of 5 stars (94)
17 users

Lightbird Requires Restart

Standalone calendar UI for Lightning

Rated 4 out of 5 stars (21)
145 users

Close Proxy Authentication Requires Restart

Provides transparent proxy authentication on your enterprise network.
Close authentication dialog if login on proxy failed.

Rated 5 out of 5 stars (5)
0 users

No Resource URI Leak

Deny resource:// access to Web content: We fill the hole to defend against fingerprinting. Very important to Firefox privacy. A direct workaround for bugzil.la/863246

Rated 4 out of 5 stars (31)
14 users

about:addons-memory

Adds an about:addons-memory page that details add-on memory usage

Rated 4 out of 5 stars (149)
9 users

Cookie Exporter Requires Restart

Exports all cookies in IE manner.
Makes a Netscape standard cookies.txt file.
Very useful for WGET --load-cookies option.

Rated 4 out of 5 stars (14)
1 user

South African English spell checker Requires Restart

The South African English spell checker allows you to use place names, borrowed words, and other expressions that are unique to South Africa.

"No more eina, just a lekker spell checker!"

Rated 5 out of 5 stars (3)
3 users

Firesizer Requires Restart

Allows you to resize the window to specific dimensions.

NOTE: Users of Firefox 29 and above must install "The Addon Bar" extension to use this, as Firesizer uses the add-on bar that has been removed in Firefox 29.

Rated 4 out of 5 stars (127)
20 users

MR Tech Disable XPI Install Delay Requires Restart

Disables default delay when installing...

Rated 5 out of 5 stars (16)
0 users

Scriptish Requires Restart

The greatest user script engine on the Internet (a fork of Greasemonkey).

Rated 4 out of 5 stars (109)
11 users

Add-ons Manager Context Menu Requires Restart

Add more items to Add-ons Manager context menu.

Rated 5 out of 5 stars (49)
28 users