If you are searching for a character certificate online then here is a standard format of the same.
This Character certificate is useful in any University admission as well as in applying for a government or private job. You can download this character certificate in a pdf format or copy paste it in ms-word format.

Format Of A Character Certificate
Character Certificate
This is to certify that I know Shri/Smt./Ku.—————————————————- S/o/D/of Shri ——————————————————————————————resident of ———————————————————————————————-for the last————————————————————————- years/months. Shri/Smt/Ku. ———————————————————————– bears good moral character and to the best of my knowledge is not involved in any criminal activity and no personal legal case is pending against him/her.
(Signature with Seal)