Abstract: Provided is an electronic device for identifying output content. The electronic device includes: a display; a memory storing at least one instruction; and at least one processor configured to execute the at least one instruction to: recognize a text in an image output through the display, obtain valid data from the recognized text, obtain comparison data for each title of a plurality of titles in a title list, identify comparison data that matches the valid data from among the obtained comparison data, and provide additional information based on a title corresponding to the identified comparison data.