Fontjoy is an AI tool designed to assist designers in selecting optimal font combinations for their projects. Utilizing deep learning technology, Fontjoy aims to create harmonious contrasts in font pairings by identifying fonts that share a common theme yet offer striking differences. Users can experiment with various font combinations, lock in preferred fonts, and customize their choices. Fontjoy's neural net methodology for font pairing can be explored further on its Github repository for technical insights. The tool showcases a diverse range of font pairing options, including popular choices like PT Sans Narrow, Merriweather, and Bitter. Additionally, Fontjoy offers a font namer feature with styles such as Open Sans, Montserrat, and Roboto. Overall, Fontjoy streamlines the font pairing process for both creative and technical users, enabling them to swiftly explore multiple options and make informed decisions for their projects.