Top-Rated Extensions

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LastColour

Colour your text to the "last-picked" colour you chose in the colour-picker. Now you don't have to use the colour picker every time.

Rated 4 out of 5 stars (3)
299 users

AdRemind.Me

Want to keep your favourite Web sites alive even when you're using Adblock Plus? AdRemind.Me helps you to supporting your favourite Web sites in deactivating periodically Adblock Plus ad filters only on these sites for 20 seconds.

Rated 4 out of 5 stars (3)
1 user

ScrapBook AutoSave Improved

ScrapBook AutoSave Addon, with some extra features.

Rated 3 out of 5 stars (5)
487 users

Vagex Firefox Add-on

Vagex is a view exchange site which will expose your video to thousands of members in order to increase the view count. With our system, YouTube will see all the views your videos are getting and promote it even more, having a sort of viral effect.

Rated 3 out of 5 stars (6)
6,545 users

Togglify Add-on Toggler No Restart

Adds toolbar buttons for each restartless add-on (including user scripts and plugins) to toggle its enabled state.

Rated 3 out of 5 stars (7)
29 users

Mailsleuth

Mailsleuth is a add-on for Thunderbird that provides you a full email header analysis of any email in your Inbox. This add-on is designed to provide a report on the email headers on any email you choose from your inbox. MAJOR updates for Feb 2013!

Rated 3 out of 5 stars (7)
789 users

Instagram Video Download No Restart

Download videos from Instagram (and as plus, easily save photos).

Rated 3 out of 5 stars (5)
8,025 users

log2stas LiveJournal Add-on

a) Auto-expand comments threads b) Copy a fragment of text or link to a picture to LJ editor from other pages. c) Simplify use of lj-cut d) Allow quickly switch between anonymous and normal browsing.

Rated 4 out of 5 stars (4)
238 users

ShowIP

Show the IP address of the current page in the status bar. It also allows querying custom information services by IP (right click) and see location and avaiable vouchers for shopping sites. Additionally you can copy the IP address to the clipboard.

Rated 3 out of 5 stars (284)
68,171 users

Force HTML5 Video Player at vk.com (ВКонтакте.ру)

Принудительный вызов HTML5 плеера ВКонтакте даже при наличии Adobe Flash (можно отключить это поведение в настройках аддона).
Force load of HTML5 video player of vk.com even when Abode Flash is avaliable.

Rated 4 out of 5 stars (3)
285 users

YouTube Downloader and Converter

Easy to Download YouTube Videos in FLV and MP4 and Convert to MP3,AVI etc.

Rated 4 out of 5 stars (3)
12,519 users

About:about Button No Restart

A button that lists all the about pages that exist. Some of these pages are also provided as separate buttons.

Rated 4 out of 5 stars (2)
169 users

Restart App Button No Restart

Restart the current application, as you might need to do after installing a new extension or theme.

Rated 4 out of 5 stars (2)
246 users

Key config

This add-on provides configurable keyboard shortcuts for several actions and a dialog to customize them.
All shortcuts can be redefined in Tools -> Key settings

Rated 3 out of 5 stars (17)
3,687 users

IE Tab + (FF 8+, 7, 6, 5, 4, 3.6, 3.5, SeaMonkey)

IE Tab + is an enhanced version of IE Tab. It supports FF 3.5 or greater, integrates IE Tab with Adblock Plus in the IE Tab engine, and synchronizes cookies between IE and Firefox. You can easily import settings from the original IE Tab into IE Tab +

Rated 3 out of 5 stars (83)
122,167 users

Right Click Watch Ignore

Adds "Watch Thread" and "Ignore Thread" to right click context menu in Thunderbird and Seamonkey.

Rated 3 out of 5 stars (6)
205 users

Validaty

One Click Validator. Provides you a button to validate a page using a validator like w3c or another user defined

Rated 3 out of 5 stars (6)
958 users

SmartWhois Launcher

This extension allows you to launch SmartWhois and perform a Whois query on the current URL. SmartWhois is a useful network information utility that allows you to look up all the available information about an IP address, hostname or domain...

Rated 3 out of 5 stars (6)
428 users

Forumzilla

Forumzilla lets you read news and blog feeds in your email application. It is similar to the feed reader built into Thunderbird, but it lets you download stories into any folder in any POP, IMAP, or local account (configurable per...

Rated 3 out of 5 stars (5)
106 users

Undo Close Tab Button No Restart

Reopens the last closed tab.

Rated 5 out of 5 stars (1)
246 users