The present disclosure involves systems, software, and computer implemented methods for personalizing media content. Personalization digital media templates can be retrieved that designate (i) particular types of media content to be combined with particular preselected digital video files and (ii) particular times within particular preselected digital video files at which the particular types of media content are to be combined with the particular preselected digital video files, the particular times being relative to the times within the preselected digital video files at which emotionally impactful moments occur. Digital media content can be assembled for the personalized digital video files using particular preselected digital video files, the digital media templates, and the personal digital media file. The assembled digital media content can be encoded using a common video codec to generate the personalized digital video files. The personalized digital video files can be stored and transmitted to a client computing device.