Web Developer's Toolbox
About This Collection
Speed up the development process by using add-ons to troubleshoot, edit, and debug web projects without ever clicking away from Firefox.
Created by: Mozilla
Updated: June 9, 2009
12 Add-ons in this Collection
Tamper Data created by Adam Judson
Use tamperdata to view and modify HTTP/HTTPS headers and post parameters...
YSlow created by Yahoo! Inc.
YSlow analyzes web pages and why they're slow based on Yahoo!'s rules for high performance web sites. YSlow uses Yahoo!'s Smush.it service, which is subject to Smush.it Terms of Use: http://info.yahoo.com/legal/us/yahoo/smush_it/smush_it-4378.html
MeasureIt created by Kevin Freitas
Draw out a ruler to get the pixel width and height of any elements on a...
ColorZilla created by Alex Sirota
Advanced Eyedropper, ColorPicker, Page Zoomer and other colorful goodies...
ShowIP created by Jan Dittmer
Show the IP address(es) of the current page in the status bar. It also allows querying custom information services by IP (right mouse button) and hostname (left mouse button), like whois, netcraft. Additionally you can copy the IP address to the clipboard. This...
Greasemonkey created by Anthony Lieuallen, Aaron Boodman, others
Allows you to customize the way a webpage displays using small bits of JavaScript. ...
FireFTP created by Mime Cuvalo
FireFTP is a free, secure, cross-platform FTP client for Mozilla Firefox which provides easy and intuitive access to FTP servers.