If you’re using Mozilla Firefox and you do any writing on the web then, here is an interesting and intelligent add-on for you. After the Deadline, from Automattic, is a fabulous add-on for Mozilla Firefox which brings smart, contextual spelling, style and grammar checking to the browser. It works on most text area’s used in HTML forms.
After the Deadline enables you to write better, tweet with correct grammar and spend less time editing. It can handle everything from common typos to misused punctuation, double negatives, redundancies and other grammatical errors.
Once you install this add-on, just click on the check icon displayed on text areas of web forms to check your grammar and spelling or right-click and select ‘Check Spelling and Grammar’ from the context menu of a text area.
You can set After the Deadline to run the proofreader automatically before submitting a form. Apart from the default grammar rules applied, some extra options like bias language, cliche, complex phrases, double negative etc., can be used to find patterns of poor writing style. You may add phrase(s) to the ignore list by typing it into the text field and clicking ‘Add’. Following is a screencast demonstrating some of the useful features of After the Deadline.
Download After the Deadline for Firefox
You might also want to check out how After the Deadline tries to make spelling suggestions.