Grammarchecker.info is a state of the art application that analyzes your text and provides valuable information about spelling and grammar mistakes. It is one of the best grammar checker tools on the internet. It does both, spelling and grammar check in one pass. The grammar checker can detect problems with words that sound the same (e.g., it's versus it's, here versus hear, etc.) incorrect use of correct words (nowadays instead of nowadays), punctuations, capitalization and hundreds of grammatical errors. This site is adept at catching commonly confused words and 'slip of the pen' mistakes. Some grammar correction online pop-ups in text editors do not catch grammatical errors, and writers do not realize that they have made a mistake. Therefore you should not rely only on grammar correction online tools to perform a spelling and grammar check because they will not identify the frequent stumbling blocks of Standard English. Grammar checker accepts files saved in Microsoft Word format and text format. Plus you can enter the text directly into the text area, and once you are done, you can save it in the format of your choice. Whereas most spelling and grammar check tools do not have a choice of English languages – grammar checker provides this feature. Text can be written in American Canadian, South African, Australian or UK English. You have to select the English language variation of your text. The default used by grammar checker is American English. Grammar checker will run the spelling and grammar check based on the language selected. The spelling and grammar differ slightly among variations of the English language. Because of this additional feature grammar checker is easily the best spelling and grammar check tool.