
One of the greatest aspects of Firefox is the ability to install add-ons to do about anything a browser can do. As a web designer this functionality is useful to me. Firefox plugins helps me to turn my browser into the web design assistant that does everything from validate my css to tell me the hex number of a color on the web. So here is a list of my favorite Firefox add-ons.
You can capture your screen and record your voice to make screencasts (tutorials, e-lessons, etc.).
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An extension for Mozilla Firefox that lets you capture images of web pages, including Flash content. These images can be saved in PNG or JPEG format. Using Page Saver, you can capture an entire page or just the visible portion. You can control the image capture process via a wide variety of settings, including the image file name and scale (e.g., save at 50% of original size).
Download here
FireFTP is a free, secure, cross-platform FTP client for Mozilla Firefox which provides easy and intuitive access to FTP servers.
Download here
BitTorrent File Search Toolbar for Firefox. Allows to search numerous sites in a matter of minutes for needed torrent files.
Download here
Allows you to customize the way a webpage displays using small bits of JavaScript.
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Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.
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Advanced Eyedropper, ColorPicker, Page Zoomer and other colorful goodies.
Download here
Get the feel of Dreamweaver in a Firefox extension. Edit your documents right next to your web pages as you surf.
Download here
The Web Developer extension adds a menu and a toolbar to the browser with various web developer tools. It is designed for Firefox, Flock and Seamonkey, and will run on any platform that these browsers support including Windows, Mac OS X and Linux.
Download here
Displays formatted and color-coded source and optional CSS information for each element. You can see exactly which CSS rules match for an element. The rules are displayed including file name and line number. The topmost element is that with the highest priority.
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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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YSlow analyzes web pages and tells you why they’re slow based on Yahoo’s rules for high performance web sites.
Download here