Napkin AI is a revolutionary tool that significantly simplifies the creation of materials and manuals by automatically generating visual content from text. Recently, it has gained attention for its support of the Japanese language. This tool can produce high-quality diagrams, graphs, and flowcharts from text input, making it accessible even to those without professional design skills. It is versatile and can be used for business presentations, educational materials, blog posts, and social media content. To use Napkin AI, you simply input detailed descriptions in Japanese, and the tool begins generating visuals automatically. You can then edit the generated visuals by adjusting colors and layouts, and even regenerate them if necessary. Additionally, Napkin AI can be combined with other AI tools like Perplexity to create more effective materials. The benefits of using Napkin AI include a significant reduction in the time required to create materials, consistent professional design, and easy visualization of complex information. However, its text generation capabilities are relatively weak, so it is recommended to use it in combination with other AI tools. Some adjustments may also be needed after automatic generation. Napkin AI is free to use, making it a valuable tool for business professionals and creators, contributing greatly to the efficiency and quality of material creation.