We all are humans and we tends to make mistakes. I am personally take care about lots of spelling mistakes when writing code but sometimes we don’t identify whether there is a spelling mistake there or not. At that time this spell checker extensions come handy.There are plenty of options available for spell checker extensions but In this post I am going to explain those two free spell checker plugins that I am using. Spell Checker by Noah Richards: This is a excellent plugin for identifying the spelling mistakes. You can download plugin from following url. http://visualstudiogallery.msdn.microsoft.com/7c8341f1-ebac-40c8-92c2-476db8d523ce It’s provides spelling checks for almost all the files. Plain text files where entire file will be checked for incorrect spelling. Source code(.cs files) HTML/ASP files. For each spelling error, the user is presented with a list of alternative spellings, via a smart tag (activate with ctrl+.), and the option to ignore the word or add it to the user's dictionary. You can configure the color of the squiggle under misspelled words by changing the foreground color of Spelling Error (in Tools->Options->Environment->Fonts and Colors). The default color is red. Following is a example for that.