[b] Web-Development

by Sebastian B.

9 Add-ons in this Collection

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 5 out of 5 stars 1,755 reviews

2,525,384 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 202 reviews

652,905 users

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

Tamper Data by Adam Judson

Rated 4 out of 5 stars 126 reviews

127,492 users

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

YSlow by YSlow

Rated 3 out of 5 stars 176 reviews

126,450 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.

FirePHP by cadorn

Rated 4 out of 5 stars 45 reviews

65,415 users

FirePHP enables you to log to your Firebug Console using a simple PHP method call.

Not using Firebug 1.9+ on Firefox 8+? See http://firephp.org/

Font Finder by Ben Dodson, Eric Caron, others

Rated 4 out of 5 stars 63 reviews

33,056 users

FontFinder is created for designers, developers and typographers. It allows a user to analyze the font information of any element on a page, copy any piece(s) of that information to the clipboard, and perform inline replacements to test new layouts.

Firecookie by Jan Odvarko

Rated 4 out of 5 stars 61 reviews

5,618 users

Firecookie is an extension for Firebug that makes possible to view and manage cookies in your browser

Firecookie is part of Firebug since Firebug 1.10

HeadingsMap by Rumoroso

Rated 5 out of 5 stars 15 reviews

3,249 users

The extension generates a documentmap or index of any web document structured with headings and/or with sections in HTML 5. It shows the headings structure, the errors in the structure (ie. incorrect levels), and it works as HTML5 Outliner too.

UrlParams by Erik Schmidt

Rated 4 out of 5 stars 36 reviews

1,408 users

Shows you the GET and POST parameters of the current website in the sidebar...

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