Top Add-ons Firefox for Bloggers,Developers and Web Designers

Firefox browser is considered the best ever for bloggers, webmasters and web designers. It makes browsing, blog posts, SEO analysis, web page design and other related practices much easier and more productive through various add-ons. Following are the best Firefox add-on to increase the productivity of bloggers, webmasters or web designers:

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ScribeFire Blog Editor

ScribeFire is a full-featured blog editor that integrates with your browser and lets you post to your blog. You can drag and drop formatted text from navigation pages, take notes, upload images and post on blogs.
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Zemanta

contained recommendations as you type. Zemanta helps you improve your blog and e-mail with relevant images, videos, links or tags. Powered by WordPress, Blogger, TypePad, and others.
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SeoQuake SEO extension

SeoQuake is an extension for Mozilla Firefox SEO aimed primarily at helping web masters who deal with search engine optimization (SEO) and internet promotion of web sites. SeoQuake allows to obtain and investigate many important SEO parameters of the internet project under study on the fly, save them for future work, compare them with results obtained by others, competitive, projects.
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FireShot

FireShot e un'estensione per Firefox Che crea screenshot di Pagine Web (in Tutto o solo UNA Parte visibile). NB Tutti gli ingredienti plugin fornisce UNA serie di Strumenti di editing e di annotazione, il Che Agli Utenti consentono di modificare rapidamente la Cattura web e inserire testo e Annotazioni Annotazioni Grafiche...
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Firebug

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.
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FireFTP

FireFTP is a free, secure, cross-platform FTP client for Mozilla Firefox which provides easy and intuitive access to FTP servers.
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Greasemonkey

Allows you to customize the way a webpage displays using small bits of JavaScript.
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ColorZilla

With ColorZilla you can get a color reading from any point in your browser, quickly adjust this color and paste it into another program. You can enlarge the page you are viewing and measure distances between any two points on the page. The built-in palette browser allows choosing colors from pre-defined color sets and saving the most used colors in custom palettes. Sun spying features allow getting various information about DOM elements quickly and easily.
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Yoono

Yoono is a powerful but easy to use sidebar for Firefox that helps you simplify your online social life by connecting you to Facebook, MySpace, Twitter, LinkedIn, Flickr, Friendfeed, AIM, Yahoo IM and more, all in one place. Yoono is also the easiest way to share stuff with all your social networks – share links, images and video from the page you’re viewing across all your networks simultaneously.
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Shareaholic

Shareaholic is the easiest way to share interesting webpages using Facebook, Twitter, Email, Gmail, Reader, Bookmarks, Buzz, Evernote, Bit.ly, and more. Works with 100+ services. This is the ultimate tool for the link sharing addict.
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WiseStamp Email Signature

Empower your email signatures in Gmail, Google Apps, Yahoo Mail, Hotmail or AOL. Multiple signatures, Auto insert, Add IM & Social profiles (Twitter, Facebook, Digg, LinkedIn), Add Feeds, Easily add Logo or HTML and more.
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Feedly

Organizes your favorite sources in a magazine-like start page. Provides seamless integration with Google Reader, Twitter, Delicious, YouTube and Amazon.
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Shorten URL

Shorten long URL from context menu or toolbar button with your selected URL shortener and display the result in location bar. Supports more than 100 URL shorteners.
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Live HTTP Headers

View HTTP headers of a page and while browsing.
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Xmarks Bookmark and Password Sync

Xmarks is the #1 bookmarking add-on. Keep your bookmarks, passwords and open tabs backed up and synchronized across computers and browsers. Search smarter with website ratings and reviews displayed with your search results.
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ImTranslator

Online Translator Performs real-time translation for Albanian, Arabic, Bulgarian, Catalan, Chinese (Simp.) Chinese (trad.), Croatian, Czech, Danish, Dutch, English, Estonian, Filipino, Finnish, French, Galician, German, Greek , Hebrew, Hindi and other languages and Their combinations ....
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easyComment

Fill out Blog Comment Forms easily with your Name, Email, Homepage URL and Message. If you’re into the blogosphere, this is a must have!
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Clipmarks

Clipmarks lets you clip and share specific parts of articles, blog posts or anything else you read on the web. You can post clips directly to Twitter or Facebook – or share them on clipmarks.com and more.
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Web Developer

The Web Developer extension adds a menu and a toolbar with various web developer tools.
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LinkChecker

Check the validity of links on any webpage.
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ShowIP

Show the IP address(es) of the current page in the status bar. It also allows querying custom services by IP (right mouse button) and hostname (left mouse button), like whois, netcraft. Additionally you can copy the IP address to the clipboard.
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MeasureIt

Draw out a ruler to get the pixel width and height of any elements on a webpage.
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Copy as HTML Link

Creates an HTML link to the current page using the selected text and copies it (into the clipboard) for pasting into other applications.
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LastPass Password Manager

LastPass is a free online password manager and Form Filler that makes your web browsing easier and more secure. LastPass supports IE and Firefox as Plugins (Opera, Safari, Chrome, iPhone, Opera Mini via Bookmarklets), allows you to import from every major password storage vendor and export too, captures passwords that other managers won’t including many AJAX forms, and allows you to make strong passwords easily.
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ReminderFox

ReminderFox displays and manages lists of reminders and ToDo’s. ReminderFox makes sure you remember all of your important dates via easy-to-use lists, alerts, and alarms, right in your browser without the need for a separate calendar program.