6 Must have plug-in for Firefox
 

* Web Developer
Menu and a toolbar with various web developer tools.
* SeoQuake plugin
Show indexed pages, pr, backlinks, dmoz, alexa rank, if domain is present in archive.org, internal link, external link, keyword density and much others thing of visited website
* iWeebTool plugin
Access webmaster services and web tools from iWEBTOOL directly from the web browser
* Firebug Plugin
You can edit, debug, and monitor CSS, HTML, and JavaScript live in any web page.
* ColorZilla
This plugin is very useful when you want to set in the right mode the colors of your adsense
* MeasureIt
Draw out a ruler to get the pixel width and height of any elements on a webpage.
* Search Status
Display the Google PageRank, Alexa rank and Compete ranking anywhere in your browser, along with fast keyword density analyser, keyword/nofollow highlighting, backward/related links, Alexa info and more.
* Gmail notifier
A notifier for GMail Account
* AI roboform toolbar
RoboForm is Top-rated Password Manager and Web Form Filler that completely automates password entering and form filling
* UnPlug
UnPlug is an extension which lets you save video and audio which is embedded on a webpage - it's a video download tool.
* Alexa Sparky
Get Alexa data in your statusbar
* FasterFox
Performance and network tweaks for Firefox
* IE Tab
IE Tab - an extension from Taiwan, features: Embedding Internet Explorer in tabs of Mozilla/Firefox
* FireGestures
A customizable mouse gestures extension which enables you to execute various commands and user scripts with five types of gestures.
* X-Ray
See the tags on a page without viewing the sourcecode

That is an excellent list of plugins. I had been looking for some in it :)

Thanks.

thanks installed all of them :)

I've installed it some time ago on my browser and now I've found the time to share it :)

Great list, i'll install them when i get home!

Anyone have something to add? The more the better!

M.

Search Status
Gmail notifier
AI roboform toolbar

are my fav

thank you ...good ones..i'll try them

thnx dats a great list of plugins!!

Don't forget Unplug.

Alexa sparky is also a very important plugin for webmasters.

Originally Posted by M.IMRAN

Alexa sparky is also a very important plugin for webmasters.

Have downloaded it and checking. Thanks for your input :)

thx a lot man. I already have 2 of the above. will get the rest

fasterfox
down them all
IE tab
fasterfox

these are nice too

If productivity is essential, I love gestures, I'm using FireGestures...

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xRay is another nice plugin for FF that let you see the tags on a page without viewing the sourcecode.

main list updated, rep appreciated :)

Very nice list nullmind.

You might consider these as well:

Greasemonkey - Great for adding JavaScript to any Web page

SEO Link Analysis - FireFox extension to enrich your link data in Google Webmaster Tools, Yahoo! Site Explorer and MS Webmaster Portal

nice list. Firebug and Colorzilla are two MUST haves. I have both of them and use them constantly. Will be checking out some of these others as well!

Good list indeed
Added some to my FF arsenal

i find one plug about earthquake, it allows you to know the recent earthquake of the world.

nice post........ good list.............

Great list! I already use a few of those but most of them are new for me.

Some nice additions would be the Adsense Preview, MegaUpload and DownloadThemAll plugins :)

Great resources thank you