Excellent Web Developer Addons

by Matt

7 Add-ons in this Collection

Web Developer by chrispederick

Rated 5 out of 5 stars 270 reviews

303,789 users

The Web Developer extension adds various web developer tools to the browser.
Collector's Note This addon is a must have for any web developer. It has far to many fantastic features to possibly list. It basically allows you to debug pages by enabling and disabling various parts of the browser such as Cookies, Javascript, CSS, Images etc. It also allows you to add elements directly into the page as well as giving lots of different information. Just install and check out all the great features

ColorZilla by Alex Sirota

Rated 4 out of 5 stars 382 reviews

176,337 users

Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...
Collector's Note Great little addon that tells you the colour of any element on the page with its Color Picker. Also lets you select a colour from its Color Palette. Very Useful for quickly grabbing a colour from the page.

Live HTTP Headers by Daniel Savard, Nikolas Co

Rated 4 out of 5 stars 172 reviews

91,556 users

View HTTP headers of a page and while browsing.

MeasureIt by Kevin Freitas

Rated 4 out of 5 stars 362 reviews

97,617 users

Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.
Collector's Note Adds the ability to measure pages and items on the page by drawing a box. It then displaying the dimensions of the box in pixels. Very simple but very useful.

Html Validator by Marc Gueury

Rated 4 out of 5 stars 218 reviews

31,136 users

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

For Online HTML 5 validation, you need 0.962
Collector's Note A tool to tell you if your page has valid X/HTML code via a symbol in the status bar. Also lists errors in the View Source.

SearchStatus by Craig Raw

Rated 4 out of 5 stars 190 reviews

10,572 users

Display the Google PageRank, Alexa rank, Compete ranking and SEOmoz Linkscape mozRank anywhere in your browser, along with fast keyword density analyser, keyword/nofollow highlighting, backward/related links, canonical links, WHOIS, robots and more.
Collector's Note This addon adds functionality such as: - highlighting "nofollow" links - Icon symbolising the Canonical URL - Shortcuts to the Archive.org, robots.txt, sitemap.xml, etc of the current page As well as other great features, some of which are more geared for SEOs such as PageRank.

Server Switcher by Hermann Czedik-Eysenberg

Rated 4 out of 5 stars 48 reviews

773 users

Easily switch between your development and live servers.
Collector's Note If you have different test and development sites, this addon adds an icon to the Address Bar to help you quickly switch between them.

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