Essentials developer's tools

by BOSSoNe

8 Add-ons in this Collection

Web Developer by chrispederick

Rated 5 out of 5 stars 213 reviews

558,334 users

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

ReloadEvery by Jaap Haitsma

Reloads web pages every so many seconds or minutes. The function is accessible via the context menu (menu you get when you right click on a web page) or via tab context menu (right click on the tab)

Tamper Data by Adam Judson

Rated 4 out of 5 stars 128 reviews

114,640 users

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

Live HTTP Headers by Daniel Savard, Nikolas Co

Rated 4 out of 5 stars 155 reviews

171,954 users

View HTTP headers of a page and while browsing.

YSlow by YSlow

Rated 3 out of 5 stars 189 reviews

106,116 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.

Firefinder for Firebug by Robert Nyman

Rated 3 out of 5 stars 28 reviews

22,993 users

Finds HTML elements matching chosen CSS selector(s) or XPath expression

HTML Regex Data Extractor by pdah

Rated 4 out of 5 stars 12 reviews

1,420 users

A Regular Expression testing tool
Allow RegExp developer to test the regular expression on the live HTML content. Useful for those who work on crawling website data.

Relaxed the HTML Validator by kukulich

Rated 2 out of 5 stars 4 reviews

57 users

"Relaxed" is a HTML validator which validates HTML documents using it's own schema definitions written in Relax NG with embedded Schematron patterns.

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