Up & Coming Extensions

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ConfigDate

ConfigDate allows to configure the "Date" column in message threadpane. When displaying the message header, it is possible to display the (default) formated date or the senders local sent time (Date-String).

Rated 3 out of 5 stars (25)
9,719 users

Xclear

Safari-like icons in the URL, search and find fields to clear their contents.

Rated 5 out of 5 stars (44)
2,715 users

URL Fixer No Restart

URL Fixer fixes common typos in URLs entered in the address bar. It will fix errors like "google.con" or "youtube,com". You have the option of being asked to confirm corrections before they are applied.

Rated 4 out of 5 stars (105)
13,533 users

Classic Toolbar Buttons No Restart

'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 (150)
37,821 users

Slim Add-ons Manager No Restart

The Add-ons Manager slims down!
This add-on reduces the height of entries in the Add-on Manager, so you can display more of them at a time.

Rated 5 out of 5 stars (47)
9,344 users

Extension Auto-Installer No Restart

Extension Auto-Installer is a helper for Firefox/SeaMonkey/Thunderbird extension developers: it allows automatically adding or updating browser extensions, e.g. via command line tools. This makes testing your changes easier.

Rated 5 out of 5 stars (17)
3,784 users

Saved Password Editor

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

Rated 5 out of 5 stars (225)
88,245 users

WorldIP - Geo Add-on with Security Features

Professional Geo Add-on with security features and advanced network tools. Anti-phishing. Protection against DNS spoofing and fake sites. All DNS records for domain. The real location of web server, country flag, extended information about datacenter

Rated 5 out of 5 stars (119)
35,716 users

Fireclam

Use ClamAV to scan Firefox downloads for viruses.

Rated 4 out of 5 stars (46)
4,667 users

Forecastfox (fix version)

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

Now Available for: Firefox, Thunderbird and SeaMonkey!

Rated 5 out of 5 stars (197)
60,490 users

Twitter App No Restart

Twitter App brings Twitter right into your Firefox Sidebar.

Rated 5 out of 5 stars (10)
13,593 users

Facebook Messenger No Restart

Facebook Messenger lets you bring a Facebook Messenger right into your browser to chat with your friends.

Rated 5 out of 5 stars (32)
32,467 users

SourceEditor

View and Edit source of HTML element...

Rated 3 out of 5 stars (20)
1,549 users

All Menus Button No Restart

Show all the menus in a single menu button that can be placed anywhere. Also contains replacement buttons for the default menus.

Rated 5 out of 5 stars (5)
1,897 users

Web of Trust, WOT: Website Reputation Ratings

Find out which websites you can trust. WOT adds intuitive traffic light-style icons next to search results and URLs so you can decide whether to visit a site:
• Green – The site is trusted
• Yellow – Be cautious
• Red – Online threats detected

Rated 4 out of 5 stars (1,387)
898,898 users

Re-Pagination No Restart

See more search results etc. on one page, concatenating several pages together...

Rated 4 out of 5 stars (51)
4,797 users

Fire IE (FireIE, Enhanced IE)

Embeds Internet Explorer(IE) to use the powerful Firefox add-ons.
Not only an enhanced IE Tab, but also an enhanced Internet Explorer with Adblock Plus and FireGestures support.
Switch to the IE engine in one click and dismiss your IE.

Rated 4 out of 5 stars (171)
61,865 users

FlashGot Mass Downloader Featured

Download all the links, movies and audio clips of a page at the maximum speed with a single click, using the most popular, lightweight and reliable external download managers.

Rated 5 out of 5 stars (531)
817,205 users

Compact Menu 2

Add a compact menu button to the navigation toolbar, and hide the menu bar.

Rated 4 out of 5 stars (350)
7,061 users

AutoPager

AutoPager automatically loads next pages when you reach the end of a page. It works on a ton of sites,Google,Yahoo..
It works well with most other add-ons adblock plus, WOT and most of the greasemonkey scripts.
You can also try AutoPagerLite.

Rated 4 out of 5 stars (407)
42,257 users