Where to find diagnostic tools

From Joomla! Documentation

The following diagnostic tools may prove useful when developing templates.

Mozilla Firefox web browser

• Firebug (Firefox 1.5+) (A free video tutorial on using Firebug with Joomla is available here.)
• Web Developer toolbar (Firefox 1+, Flock, Seamonkey)
• Simple CSS Viewer (Firefox 1.5)

Internet Explorer web browser

• Microsoft Internet Explorer Developer Toolbar (MSIE 7)
• DebugBar (MSIE 5 - 8, free for personal use)
• MSIE 8, press SHIFT+F12 or click the Developer Tools icon in the command bar
• Users of Office XP and later may also install the "Script Debugger" via Office Setup (the debugger is not installed by default)

Safari web browser

• How to enable the Safari 3.x Developer Menu ( )
• WebKit Drosera JavaScript Debugger ( WebKit: )