Browser Developing Tools

This page describes helpful in-browser development tools to help you learn, develop, and debug with HTML and CSS.

They do this in general by:


 * Letting you hover over elements and view the section of HTML it is hovering over
 * Showing the CSS rules that are applying to a particular element
 * Letting you edit the HTML and CSS on the fly to test out a certain effect without the overhead of saving the file to the server

They have more advanced uses, but these are the ones this tutorial focuses on.

Firefox
Firebug

Chrome
View -> Developer -> Developer Tools

Safari
If the Develop menu does not appear in the menu bar, open Safari preferences, click Advanced, and select “Show Develop menu in menu bar.

Opera
Dragonfly