Debugging Tools

• Chrome Developer Tools
• Firebug - The most popular and powerful web development tool for Firefox
• Illuminations for Developers - Browser extension for Sencha ExtJS, Dojo Toolkit, SproutCore, qooxdoo, YUI3, Google Closure Library, and jQueryUI
• Tilt 3D See the DOM as a 3D representation
• Opera Dragonfly very similar to the Chrome Developer Tools