Up & Coming Extensions

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Youtube to MP3 Converter - Xenra.com

A simple, fast and free online Youtube to MP3 conversion tool which allows you to download your favorite youtube videos.

Rated 3 out of 5 stars (4)
1,191 users

Tamper Data icon

Open tamper data with a toolbar icon. By fermmm

Rated 5 out of 5 stars (4)
1,453 users

Sticky Notes No Restart

Put sticky notes on the web page

Rated 4 out of 5 stars (32)
2,342 users

MouseZoom

Zoom with the mouse...

Rated 5 out of 5 stars (137)
6,058 users

Default Search Engine

Choose your search engine on FF4+. Customize the search engine used in your location bar.

Rated 3 out of 5 stars (11)
3,174 users

Site Favicon in Urlbar No Restart

Put site favicons back into the Urlbar for Fx 14 and above.

Rated 5 out of 5 stars (32)
1,256 users

Rikaichan Japanese-English Dictionary File

This is a dictionary file add-on for the Rikaichan extension.

Rated 5 out of 5 stars (4)
41,099 users

Bookmark All

Bookmark all opening tabs quickly without any dialog.

Rated 4 out of 5 stars (26)
7,174 users

Dictionary

Comes in handy when you quickly want to find the meaning of a word.

Rated 4 out of 5 stars (43)
1,095 users

HTTPtoHTTPS

Widget converts http prefix to https (or vice versa) on the current page and refreshes it.

Rated 4 out of 5 stars (14)
10,031 users

Close All Tabs (Reloaded)

A toolbar button to close all open tabs.
Improved and updated version of "Close All Tabs 1.1".

Rated 4 out of 5 stars (35)
4,205 users

Tor Flashproxy Badge No Restart

Simple extension that makes Firefox a bridge for censored users in countries with oppressive regimes.

Rated 4 out of 5 stars (7)
14,419 users

Reader No Restart Featured

Reader is the ultimate Reader tool for Firefox.

Rated 5 out of 5 stars (52)
32,923 users

Siepomaga

Very simple extension, it opens once a day website 'http://siepomaga.pl/s/klikaj' in new tab.

Rated 5 out of 5 stars (9)
1,214 users

BugMeNot No Restart Featured

Bypass compulsory web registration with the context menu via www.bugmenot.com.

Rated 4 out of 5 stars (221)
43,474 users

Element Inspector No Restart

Shift-RightClick any element to open it in DOM Inspector.

Rated 5 out of 5 stars (24)
2,381 users

NicoFox

Download videos with comments from Nico Nico Douga and change your video-watching experience!

Rated 4 out of 5 stars (148)
40,965 users

History Submenus II No Restart

Add sub-menus to History Menu for previous days' history.

Rated 5 out of 5 stars (37)
2,352 users

Open With

Quickly test out your web pages in Internet Explorer, Chrome, Safari, or Opera. Open With opens the current page in your other browsers with just one click. Add Open With to your menus, toolbars and developer toolbox today!

Rated 4 out of 5 stars (168)
17,828 users

Manage Folders

Places a "Manage Folder" item on the context menu of bookmark folders, which opens the "Places Organizer" expanded to that folder.

Rated 4 out of 5 stars (29)
3,120 users