CoffeeBreakers Webmaster Tools

by Mario Rinaldi

12 Add-ons in this Collection

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 4 out of 5 stars 2,101 reviews

1,403,325 users

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...

Web Developer by chrispederick

Rated 5 out of 5 stars 272 reviews

299,575 users

The Web Developer extension adds various web developer tools to the browser.

Tamper Data by Adam Judson

Rated 4 out of 5 stars 162 reviews

70,889 users

Use tamperdata to view and modify HTTP/HTTPS headers and post parameters...

ColorZilla by Alex Sirota

Rated 4 out of 5 stars 384 reviews

171,915 users

Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...

MeasureIt by Kevin Freitas

Rated 4 out of 5 stars 362 reviews

95,530 users

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

YSlow by YSlow

Rated 3 out of 5 stars 221 reviews

39,776 users

YSlow analyzes web pages and suggests ways to improve their performance based on a set of rules for high performance web pages.
http://yslow.org is the official open source website.

HttpFox by Martin Theimer

Rated 4 out of 5 stars 172 reviews

57,756 users

An HTTP analyzer addon for Firefox

Screengrab by Andy M

Rated 4 out of 5 stars 571 reviews

11,487 users

Screengrab! saves webpages as images... but not for new versions of Firefox.

FF changes too fast and I don't have the time to maintain it anymore. Bugs have developed that I am not in a position to investigate.

Therefore, Screengrab is EOL.

FireQuery by BinaryAge, Jan Odvarko

Rated 4 out of 5 stars 55 reviews

10,174 users

Firebug plugin for jQuery development

Firebug Autocompleter by yamapikarya

Rated 4 out of 5 stars 31 reviews

12,775 users

Firebug command line autocomplete.

SearchStatus by Craig Raw

Rated 4 out of 5 stars 190 reviews

10,243 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.

CSS Reloader by auchenberg

Rated 4 out of 5 stars 37 reviews

3,950 users

CSS Reloader is an extension that allows you to reload all the CSS of any site without you have to reload the page itself.

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