Help Requested: Dev-Related Tools & Plug-Ins?

[jjhunter]

I recently discovered that left-clicking/CTR-clicking in Firefox and selecting 'Inspect Element' opens up all kinds of magic for a baby dev like myself in terms of dynamically exploring a page's source code. What other tools or plug-ins do people use in Firefox, Safari, and/or Chrome for dev-related stuff?

Comments

[foxfirefey]

I don't think we've caught up to documenting the basic built in stuff in Firefox (which is fairly new!), but we have a wiki page on browser developing tools! It has something for pretty much every modern browser.