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Whois Lookup & Hosting & DNS & Site Flags Firefox Requires Restart

IP Whois Lookup & Website Reviews & Rating. Display country flag indicating website location. Alexa and Norton Antivirus Site Adviser. Supported: GoDaddy, NetworkSolutions, Dotster, 1and1, NameCheap, Register, Yahoo, 123-Reg, FatCow, Enom, FastHosts.

Rated 3 out of 5 stars (15)

47 weekly downloads

Window Master

Functionality for multiple screens and windows. Easily open links in other windows or on other screens, move or merge tabs, and move or merge entire windows. With graphical controls for grid positioning.

Rated 4 out of 5 stars (23)

44 weekly downloads

Stylish Tools Requires Restart

Quicker access to several Stylish features through a toolbar button and/or keyboard shortcuts. Available for Firefox, Thunderbird, and SeaMonkey

Rated 4 out of 5 stars (3)

44 weekly downloads

Developer Assistant Requires Restart

A suite of tools for developers.

Rated 4 out of 5 stars (46)

42 weekly downloads

Live HTTP Headers (Fixed By ITWorld.com.pk) Requires Restart

View HTTP headers of a page and while browsing.
Live HTTP Header Fix By Danyial ITs Working On Firefox Again Fixed Reply Problem

Rated 4 out of 5 stars (6)

42 weekly downloads

Slashy Requires Restart

Fixes Windows backslash file separators in links and images and other types.

Rated 4 out of 5 stars (5)

42 weekly downloads

UxU - UnitTest.XUL Requires Restart

This is a testing tool for addon developers.

Rated 3 out of 5 stars (5)

42 weekly downloads

RSS Editor Requires Restart

Desktop RSS editor for casual editing of RSS 2.0...

Rated 4 out of 5 stars (12)

41 weekly downloads

InspectorWidget Requires Restart

Adds toolbar button and context menus for invoking the DOM Inspector (DOMi) for either chrome or content elements.

Rated 5 out of 5 stars (10)

39 weekly downloads

Track Package Requires Restart

Track Packages from the right-click menu...

Rated 4 out of 5 stars (30)

39 weekly downloads

Restartless Restart

This 15KB restartless add-on will add a "File" -> "Restart" menu item and a ctrl/cmd + alt + r hotkey to restart Firefox or Seamonkey.

Rated 4 out of 5 stars (204)

39 weekly downloads

No More Install Delay

UPDATE: XPI delay has been removed in Firefox 40!

Disable the install delay in Firefox. New 2.0 version now includes GreaseMonkey scripts!

Unlike similar addons, this works on Firefox 4 and beyond.

Rated 4 out of 5 stars (10)

38 weekly downloads

CruiseControl Monitor Requires Restart

CruiseControl build monitor

Rated 4 out of 5 stars (7)

38 weekly downloads

Nightly Tester Tools Lite Requires Restart

This is a cut down version of Nightly Tester Tools by Mossop, which is 77.6 KB. I've only included the "copy build id" and "build id in titlebar"...

Rated 2 out of 5 stars (8)

36 weekly downloads

PasteIP Requires Restart

Easy pasting of your IP address or User-Agent in a textbox. Comes in handy when posting on forums, etc.

Rated 4 out of 5 stars (2)

35 weekly downloads

Download for Windows

Search IP Requires Restart

This plugin adds three links to Firefox's context menu that lookup the selected IP address at Project Honey Pot, Utrace, spamhaus, senderbase,...

Rated 5 out of 5 stars (5)

34 weekly downloads

DevPrefs

Automatically sets all preferences for Firefox addon developer production environment.

Not yet rated

34 weekly downloads

Re-Pagination

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

Rated 4 out of 5 stars (52)

33 weekly downloads

JavaScript Object Examiner Requires Restart

Display JavaScript object methods and properties for any available scope.

Not yet rated

33 weekly downloads

Extensor

Quick access to add-on functions from a toolbar panel: Options, (De)Activate, Details, Home page, Review page, Donation page, Uninstall, Restart application.

Rated 5 out of 5 stars (5)

29 weekly downloads