Web Development


QuickJava Requires Restart Featured

Allows quick enable and disable of Java, Javascript, Cookies, Image Animations, Flash, Silverlight, Images, Stylesheets and Proxy from the Toolbar. This is great for increasing security or decreasing bandwidth.

Rated 5 out of 5 stars (208)
265,305 users

Console² Requires Restart

Console² (pronounced Console Squared or Console Two) replaces the JavaScript Console with what could be the next generation Error Console. From v0.5 includes the Console Filter extension previously available separately from the Console² website.

Rated 5 out of 5 stars (49)
7,227 users


Firefox for Vim and Links addicts.

Rated 5 out of 5 stars (139)
1,593 users

PrefBar Requires Restart

The all in one toolbar(item). Houses and manages bigger amounts of buttons (Clear Cache, Clear Cookies, ...), Menus (User Agent spoof...) and checkboxes (Javascript, Flash, ...). Extensible from online-database or with self created buttons.

Rated 5 out of 5 stars (39)
15,727 users

Form History Control Requires Restart

Manage form history entries (search, edit, cleanup, export/import) and easy text formfiller.

Auto-save text entered in any form while typing to allow fast recovery when disaster strikes.

Control for which webpage form history is saved or not.

Rated 5 out of 5 stars (87)
25,205 users

Firepicker Requires Restart

Simple color picker plugin for Firebug.

Rated 5 out of 5 stars (56)
15,268 users

Extended Link Properties + (obsolete) Requires Restart

This application extends the Link Properties and displays File Size, Last Modified Date, Content Type and HTTP Header of a link...
Warning: developing discontinued, see least

Rated 5 out of 5 stars (14)
712 users

Stacked Inspector Requires Restart

Switch DOM Inspector to an over/under vertical layout instead of the usual side-by-side panel layout.

Rated 5 out of 5 stars (9)
375 users


Displays a country flag depicting the location of the current website's server and provides a multitude of tools such as site safety checks, whois, translation, similar sites, validation, URL shortening, and more...

Rated 5 out of 5 stars (666)
499,801 users

Scroll Up Folder

Goes up a folder of a website.

Rated 5 out of 5 stars (31)
723 users

Domain Auction Metrics by DomCop

Domain Auction Metrics by DomCop provides domain metrics for GoDaddy Auctions, NameJet, SnapNames, DynaDot and Sedo. View Page Rank, Majestic Trust Flow, Moz Rank and Domain Authority, SimilarWeb Rank, SEMrush Metrics, Alexa Rank, Estibot metrics.

Rated 5 out of 5 stars (22)
1,075 users

Nuke Anything Enhanced Requires Restart

Allows you to hide almost anything via context menu 'Remove Object'.

Rated 5 out of 5 stars (127)
21,382 users

Full Web Page Screenshots (♥♥♥♥♥) Requires Restart

FireShot makes full web page screenshots. Demo: http://bit.ly/RlBQMV

Screenshots can be quickly captured and:

― Saved as Image or PDF
― Sent to clipboard
― Printed
― Annotated *
― Uploaded *
― E-Mailed *

* OS Windows only

Rated 5 out of 5 stars (464)
287,438 users

All About Location Bar Requires Restart

Make URL modification an accurate, smooth and simple experience

Rated 5 out of 5 stars (19)
319 users


View JSON documents in the browser.

Rated 5 out of 5 stars (168)
114,681 users

Juicy Studio Accessibility Toolbar Requires Restart

The toolbar enables developers to examine WAI-ARIA live regions roles and properties, examine data tables, and determine if the colour contrast is sufficient.

Rated 5 out of 5 stars (14)
2,097 users

The Addon Bar (Restored)

Gives you a place to put all your add-on buttons without over-crowding the navigation bar.

Rated 5 out of 5 stars (334)
107,348 users

Tabbed View Source

View Page Source in New Tab, Current Tab or New Window

Rated 5 out of 5 stars (10)
359 users

Toggle Mixed Active Content

An icon that toggles the preference of blocking mixed active content.
Preference Name: security.mixed_content.block_active_content

Rated 5 out of 5 stars (10)
5,019 users

HostAdmin Requires Restart

Switch domain-ip mapping by a SIMPLE CLICK. In addition, DNS would be refreshed whenever your change host by HostAdmin or Manually.

Rated 5 out of 5 stars (23)
13,493 users