10+ Most Essential Firefox Addons For Developers

Firefox Addon is most amazing feature in Mozilla Firefox browser. We can find plenty of Firefox Addons to enhance the functionality of the browser. Nowadays, for developer, we cannot even imagine their work without Firefox and its addons. Here is the list of 10+ most essential Firefox addons in random order.

1. 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.
2. Web Developer Toolbar
   The Web Developer extension adds a menu and a toolbar to the browser with various web developer tools.
3. FireFTP
   
   FireFTP is a free, secure, cross-platform FTP client for Mozilla Firefox which provides easy and intuitive access to FTP servers.Along with transferring your files quickly and efficiently, FireFTP also
   includes more advanced features such as: directory comparison, syncing directories while navigating, SFTP, SSL encryption, search/filtering, integrity checks, remote editing, drag & drop, file hashing, and much more!
4. ShowIP
   ShowIP addon show the IP address(es) of the current page in the status bar. It also allows querying custom nformation services by IP (right mouse button) and hostname (left mouse button), like whois, netcraft.
   Additionally you can copy the IP address to the clipboard.
5. Greasemonkey
   Greasemonkey allows you to customize the way a webpage displays using small bits of JavaScript.
6. ColorZilla
   Colorzilla contains Advanced Eyedropper, ColorPicker, Page Zoomer and other colorful goodies. 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 Zoom 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. DOM spying features allow getting various information about DOM elements quickly and easily.
7. FoxyProxy
   
   FoxyProxy is a Firefox extension which automatically switches an internet connection across one or more proxy servers based on URL patterns. Put simply, FoxyProxy automates the manual process of editing Firefox’s Connection Settings dialog. Proxy server switching occurs based on the loading URL and the switching rules you define.
8. YSlow
   
   YSlow analyzes web pages and suggests ways to improve their performance based on a set of rules for high performance web pages. YSlow is a Firefox add-on integrated with the Firebug web development
   tool. YSlow grades web pagebased on one of three predefined ruleset or a user-defined ruleset. It offers suggestions for improving the page’s performance, summarizes the page’s components, displays statistics about the page, and provides tools for performance analysis, including Smush.it and JSLint.
9. Seoquake
   
   Seoquake is a Mozilla Firefox SEO extension 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 the results, obtained for other, competitive, projects.
10. IE View
    IE View lets you load pages in IE with a single right-click, or mark certain sites to *always* load in IE. Useful for incompatible pages, or cross-browser testing.
11. iMacros
    
    iMacros was designed to automate the most repetitious tasks on the web. If there’s an activity you have to do repeatedly, just record it in iMacros. The next time you need to do it, the entire macro will run at
    the click of a button! With iMacros, you can quickly and easily fill out web forms, remember passwords, create a webmail notifier, download information from other sites, scrape the Web (get data from multiple sites), and more. You can keep the macros on your computer for your own use, or share them with others by embedding them on your homepage, blog, company Intranet or any social bookmarking service.