WhichIsCorrect.com offers free spelling and grammar checking. Paste your text here and click Check Text ✔ (button located in the bottom right corner). Then you can click the colored phrases for details on potential errors. or use this text too see an few of of the problems that WhichIsCorrect can detecd. What do you thinks of grammar checkers? Please not that they are not perfect. Style issues get a blue marker: It's 5 P.M. in the afternoon. The weather was nice on Thursday, 27 June 2017.