There’s no simple way to validate an extension, but there are several steps you can take to help you feel more comfortable with the developer before deciding to install it.

Browser extensions are small programs that get installed (as the name suggests) into your browser and allow for the extension of capabilities and/or features of your browser.

Mozilla Labs crowned their picks of best new and updated Firefox 3 extensions in a recent contest, but what about best extensions of all time? Last year we ran down our must-have Firefox ...