As we all know that Firefox is a fastest growing popular web browser. There are lots of ease provided by the firefox and this is the main reason for its popularity. There are lots of free download able extensions and add-ons available on the internet for firefox and there demands are increasing every day. In this post, I am listing down 13 Amazing Firefox Add-Ons To Make Designers Lives Easier.

You are welcome to share if you know more amazing firefox add-ons that will save time which our readers/viewers may like.

IE Tab

This is a great tool for web developers, since you can easily see how your web page displayed in IE with just one click and then switch back to Firefox.

Style Sheet Chooser II

Style Sheet Chooser II allows you to choose author-provided alternate style sheets for a web site, and have those choices be persisted for all pages on the same site. Style Sheet Chooser II replaces Firefox’s built-in style sheet switcher – its functionality is available via the [View]->[Page Style] menu item, one-click stylesheet rotating Toolbar icon and Statusbar icon. Icons can be switched on/off via Extension Preferences.

CSSViewer

A simple CSS property viewer. Add CSSViewer in your toolbar to use it. To enable/disable this, click the toolbar icon.

CSS validator

Validates a page using the W3C CSS Validator. Adds an option to the right-click context menu and to the Tools menu to allow for easy validation of the CSS of the current page. Opens the results in a new tab. Will only work on pages that have a CSS file associated. For example it will work with http://www.w3.org/ as the URL has a CSS file.

ColorZilla 2.0

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.

FireShot 0.59

FireShot is a Firefox extension that creates screenshots of web pages.

Unlike other extensions, this plugin provides a set of editing and annotation tools, which let users quickly modify captures and insert text and graphical annotations. Such functionality will be especially useful for web designers, testers and content reviewers. It’s possible to choose whether entire web page or only visible part of this page should be captured.

LinkChecker 0.6.3

Check the validity of links on any webpage. With this add-on you can check if any link in the page is broken or not validated now.

Font Finder 0.5c

Simply highlight a single element (e.g. a paragraph or a strong tag ), right-click and select `Font Finder`, then marvel as the full CSS text styling of the selected element appears.

LiveHTTPHeaders

The goal of this project is to adds information about the HTTP headers by adding a ‘Headers’ tab in ‘View Page Info’ of a web page and by adding a tool in the ‘Tools->Web Development’ menu to be able to display http headers in real time (while pages are being downloaded from the Internet.This is also letting you edit request headers and replay an URL (beta). Look for the Replay button in the live window!

SearchStatus 1.26

Display the Google PageRank, Alexa rank and Compete ranking anywhere in your browser, along with fast keyword density analyser, keyword/nofollow highlighting, backward/related links, Alexa info and other SEO tools.

FireFTP

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

MeasureIt 0.3.8

Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.

Html Validator 0.8.5.2

HTML Validator is a Mozilla extension that adds HTML validation inside Firefox and Mozilla. The number of errors of a HTML page is seen on the form of an icon in the status bar when browsing. The extension can validate the HTML sent by the server or the HTML in the memory (after Ajax execution)