Is there such a thing as too many Firefox extensions? Not as long as developers keep creating handy, gorgeous, or ingenious time-savers like the nine add-ons featured in our gallery. We leaned away from the usual, though always excellent, fare of McAfee Site Advisor, Google Preview, and these top five Firefox add-ons to bring you a new crop of favorites. Feel free to chime in with your own gems, too.

Jessica Dolcourt reviews smartphones and cell phones, covers handset news, and pens the monthly column Smartphones Unlocked. A senior editor, she started at CNET in 2006 and spent four years reviewing mobile and desktop software before taking on devices.