Development

by Mkkbay

7 Add-ons in this Collection

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 5 out of 5 stars 1,808 reviews

2,102,911 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...

FoxyProxy Standard by Eric H. Jung, groeg, others

Rated 4 out of 5 stars 353 reviews

282,490 users

FoxyProxy is an advanced proxy management tool that completely replaces Firefox's limited proxying capabilities. For a simpler tool and less advanced configuration options, please use FoxyProxy Basic.

Modify Headers by Gareth Hunt

Rated 4 out of 5 stars 72 reviews

112,915 users

Add, modify and filter the HTTP request headers sent to web servers. This addon is particularly useful for Mobile web development, HTTP testing and privacy.

Html Validator by Marc Gueury

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
http://users.skynet.be/mgueury/mozilla

Firepicker by thedarkone2

Rated 5 out of 5 stars 55 reviews

17,846 users

Simple color picker plugin for Firebug.

View Source Chart by Jennifer Madden

Rated 5 out of 5 stars 109 reviews

13,404 users

Inspect the DOM at lightning speed.

307.to by publici

Rated 5 out of 5 stars 16 reviews

8 users

Why 307? - 307 is a server side temporary redirect code. Used by servers to redirect your web-browser to a new directory or a new web site.http://307.to/is a redirect service used to make tiny URLs for a lot of uses.

You can protect redirections or ...

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