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Extended Statusbar

A Statusbar with speed, percentage, time and loaded size (similar to Opera's one)

Rated 4 out of 5 stars (226)
71,225 users
Updated July 1, 2014

Firefox OS 1.1 Simulator No Restart

Firefox OS Simulator is a test environment for Firefox OS. Use it to test your apps in a Firefox OS-like environment that looks and feels like a mobile phone. After installing it, go to Web Developer > Firefox OS Simulator to access its features.

Rated 4 out of 5 stars (56)
46,395 users
Updated July 1, 2014

ZipZoom

Craiglist Bot

Not yet rated
120 users
Updated July 1, 2014

SEO анализ сайта от PR-CY.ru

Плагин для опредения рейтинга в один клик.

Rated 4 out of 5 stars (8)
843 users
Updated July 1, 2014

JSONView No Restart

View JSON documents in the browser.

Rated 5 out of 5 stars (115)
78,338 users
Updated June 30, 2014

SEO & Website Analysis

WooRank provides a deep SEO & Website Analysis reviewing more that 50 SEO criterias.

Rated 4 out of 5 stars (30)
10,697 users
Updated June 30, 2014

DevPrefs No Restart

Automatically sets all preferences for Firefox addon developer production environment.

Not yet rated
126 users
Updated June 27, 2014

Dummy Form Filler No Restart

One click to populate HTML forms with dummy data. Works out of the box.

Not yet rated
12 users
Updated June 25, 2014

NetCopy No Restart

Firebug extension to copy net requests to the clipboard to the desired format

Not yet rated
1 user
Updated June 24, 2014

PixeRoll No Restart

PixeRoll allows you scroll webpage by 1 pixel.

Not yet rated
3 users
Updated June 24, 2014

Green Power Indicator (GPI)

The "Green Power Indicator" visualises if the website has a green power state or not. If the power state is unknown a ? is shown. Otherweise the GPI shows the quality of the green power of the websites server via a small icon.

Rated 5 out of 5 stars (1)
110 users
Updated June 23, 2014

IP Address and Domain Information No Restart

The Ultimate online investigation tool! See detailed information about every IP Address, Domain Name and Provider.

Rated 4 out of 5 stars (12)
14,169 users
Updated June 23, 2014

Scientific Calculator Toolbar

A scientific calculator for firefox toolbar or the PanelUI

Rated 4 out of 5 stars (100)
3,841 users
Updated June 22, 2014

Classic Toolbar Buttons No Restart Featured

'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 (100)
40,101 users
Updated June 21, 2014

GoingUp! Page Rank Reporter

Easy, reliable, and unobtrusive viewing of Google Pagerank in your browser window.

Rated 5 out of 5 stars (1)
105 users
Updated June 20, 2014

Header Bar No Restart

Header Bar is a simple toolbar that allows you to add or override request headers.
Source: https://github.com/mivdnber/headerbar

Not yet rated
3 users
Updated June 20, 2014

Try IT Yourself HTML5 editor No Restart

Edit your file HTML directly online with highlight code, advance search and replace and filesystem API HTML5

Rated 5 out of 5 stars (1)
67 users
Updated June 20, 2014

Omniref No Restart

Adds Ruby documentation search from Omniref.com to your Google search results and Github source listings.

Not yet rated
1 user
Updated June 20, 2014

Firebug No Restart

Firebug integrates with Firefox to put a wealth of development tools at your fingertips while you browse. You can edit, debug, and monitor CSS, HTML, and JavaScript live in any web page...

Rated 5 out of 5 stars (1,649)
2,626,209 users
Updated June 20, 2014

Emoji Cheatsheet for GitHub, Basecamp etc. No Restart

A simple reference for the codes that can be used to generate Emojis on popular sites like GitHub or Basecamp.
Search Emojis by name or view recently selected items. Emoji codes are automatically copied to the clipboard on selection.

Not yet rated
873 users
Updated June 18, 2014