Firefox is the most used and famous browser of the Internet. Firefox acts like framework for designers and developers. Developers are now totally dependent on Firefox . Firefox is much more helpful when it is equipped with some powerful add-ons. This post is about firefox addons that you must use if you are a developer.
Turn Firefox into your ultimate media browser. Cooliris is a browser plug-in that revolutionizes how you find, view, and share photos and videos. Whether you’re browsing the Web or your desktop, Cooliris presents media on an infinite “3D wall” that lets you enjoy content without clicking page to page.
IE Tab is simply an addon that allows you to open Internet Explorer windows within the Firefox browser. Great for testing website compatibility with Internet Explorer, for running a website that generally runs better in IE and takes the strain off your PC by running one process less.
Adblock Plus allows you to regain control of the internet and view the web the way you want to. The add-on is supported by over forty filter subscriptions in dozens of languages which automatically configure it for purposes ranging from removing online advertising to blocking all known malware domains.
FireFTP is a free, secure, cross-platform FTP/SFTP client for Mozilla Firefox which provides easy and intuitive access to FTP/SFTP 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 more.
Download FireFTP here
HTML5toggle provides a button which makes it easy to turn on or off the HTML5 support in Firefox 4. Given that HTML5 support is still evolving, some websites do not work as expected when HTML5 support in Firefox 4 is enabled.
Download HTML5toggle here
HTML5 Validator (Experimental)
HTML5 Validator adds a ‘HTML 5 Validator’ context menu item to a page’s context menu.
Download HTML5 Validator here
IE Tab 2
IE Tab 2 lets you use IE to display web pages in a tab within FireFox. Adopted from the original IE Tab, this version has new features including IE 7, 8 or 9 compatibility modes. You can also import settings from your old IE Tab.
Download IE Tab 2 here
Total Validator lets you perform multiple validations and take screen shots in one go. Total Validator is an all new HTML5 and XHTML5 validation. It provides true HTML validation for HTML 2.0 through to XHTML 1.1 using the official DTDs, plus added attribute and other tests. So you no longer have to put up with the limitations of the W3C validator (no type checking) and tools like HTML Tidy which interpret the standards incorrectly as they don’t use the official DTDs.
Download Total Validator here
This is very essential firefox plugin which adds various essential web developer tools to Firefox.
Page Diff is an add-on that helps web developers and designers see HTML source code differences between web pages. This is helpful for finding code irregularities or differences that will enable you to debug rendering issues.
4. Video DownloadHelper
DownloadHelper is a tool for web content extraction. Its purpose is to capture video and image files from many sites. The easy way to download and convert Web videos from hundreds of YouTube-like sites.
This works also for audio and picture galleries.
EditCSS is a stylesheet modifier in the Sidebar.
Download EditCSS here
SeoQuake will help you in optimizing your web pages for search engines. It gives you an SeoBar that has loads of useful SEO-related options for you to take advantage of. This extension will assist you in identify issues pertaining to search engine indexing in your web pages.
Window Resizer 1.0
Window Resizer comes in handy for testing different screen sizes and monitor resolutions. It quickly and accurately resizes Firefox’s viewport so that you can test to see how your design looks in standard resolution sizes.
ColorZilla is an incredibly simple extension for Firefox. If you’ve ever wanted to determine what colors are used on a web page, ColorZilla is the tool for the job. It adds an eyedropper icon to the bottom-left corner of Firefox.