http://www.iosart.com/firefox/colorzilla/A collection of tools, including a Color Picker similar to the one found in Photoshop, an Eyedropper that helps to get a color reading from anywhere in the browser window and a Page Zoomer that helps set the page zoom to anything between 20 and 1000 percent.For more detailed information visit the website, please...301MovedPermanentlyFirefox Extensions > Developer Tools
Tools for web development, allow inspect, edit and monitor CSS, HTML and JavaScript live in any web page. Include documentation, FAQs, videos and discussion groups.
Firefox extension that replaces the JavaScript Console. Display errors filtered by type (Errors, Warnings, Messages), language (JavaScript, CSS, XML) and context (Chrome, Content). Useful for web and extension developers.