Caragramatica is an educational application, the result of the Master's thesis in Letters, Profletras IFES/Vitória, by researcher-teacher Bruno Henrique Castro de Sousa. The research entitled “The potential of Instagram in teaching Grammar, in Elementary II”, under the guidance of Professor Maria Madalena Fernandes Caetano Poleto Oliveira, demonstrated the reach that Instagram has as a support for teaching Grammar. The caragramatica application can make life easier for students, concurseiros and passionate about the functioning of the normative standard of our Portuguese Language.