How to Spell and grammar check text in Firefox and Chrome

Why invest time and energy proofreading everything you write when your web browser can do it for you (and quite competently at that)? With Mozilla Firefox and Google Chrome (and the After the Deadline browser extension), setting up automatic spell and grammar checking is an easy task. This home-computing how-to from Tekzilla will walk you through the process. Avoid careless mistakes and needless embarrassment with this how-to.