Essential Add-ons for Website Development

by ProbCOMP

24 Add-ons in this Collection

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 5 out of 5 stars 1,761 reviews

2,717,207 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...

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 940 reviews

1,354,371 users

Customize the way a web page displays or behaves, by using small bits of JavaScript.

Web Developer by chrispederick

Rated 5 out of 5 stars 205 reviews

672,931 users

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

FireFTP by Mime Čuvalo

Rated 4 out of 5 stars 917 reviews

654,721 users

FireFTP is a free, secure, cross-platform FTP/SFTP client for Mozilla Firefox which provides easy and intuitive access to FTP/SFTP servers.

Check out my new project, FireSSH!

Webpage Screenshot in Firefox (♥♥♥♥♥) by susbox

Rated 5 out of 5 stars 425 reviews

294,069 users

FireShot Webpage Screenshots captures pages entirely. Demo: http://bit.ly/RlBQMV

The screenshot can be quickly captured and:

― Saved as Image or PDF
― Sent to clipboard
― Printed
― Annotated *
― Uploaded *
― E-Mailed *

* OS Windows only

ColorZilla by Alex Sirota

Rated 5 out of 5 stars 300 reviews

300,390 users

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

IE Tab by PCMan, yuoo2k

IE Tab - an extension from Taiwan, features: Embedding Internet Explorer in tabs of Mozilla/Firefox...

MeasureIt by Kevin Freitas

Rated 4 out of 5 stars 327 reviews

174,511 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 181 reviews

130,171 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.

Image Zoom by Jason Adams

Rated 4 out of 5 stars 327 reviews

190,375 users

Adds zoom and rotation functionality for images...

Font Finder by Ben Dodson, Eric Caron, others

Rated 4 out of 5 stars 64 reviews

36,640 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.

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 Firefox 23+, you need 0.958 (under review)
http://users.skynet.be/mgueury/mozilla

WebRank SEO Toolbar by ProbCOMP

Rated 4 out of 5 stars 63 reviews

26,770 users

A toolbar that gives Google Pagerank, Alexa, Compete and Quantcast Rank, pages indexed and backlinks in Google, Bing and Yahoo. Bookmark webpages at PickMeWeb.com, view similar websites at SimilarSites.com. Delicious, Digg and Tweet Count.

Tab Scope by Gomita

Rated 4 out of 5 stars 446 reviews

195,597 users

Preview and navigate tab contents through popup.

Firesizer by orev

Rated 4 out of 5 stars 123 reviews

36,763 users

Allows you to resize the window to specific dimensions.

NOTE: Users of Firefox 29 and above must install "The Addon Bar" extension to use this, as Firesizer uses the add-on bar that has been removed in Firefox 29.
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