いらすとや is a popular brand that offers a wide range of adorable illustrations and free materials, making it a go-to destination for seasonal events, animals, and children-themed illustrations. This brand showcases a vast collection of cute free materials, which include illustrations that are perfect for various purposes. They provide an easy-to-use illustration search tool that allows users to search for specific illustrations or perform ambiguous searches in both Japanese and English.

Additionally, いらすとや offers an innovative service that uses AI technology to generate images in the style of their unique illustrations. With a detailed categorization system, users can easily find illustrations related to different topics such as professions, hobbies, fashion, food, and more. All the illustrations provided by いらすとや can be used for free, although they retain their copyright.

For more information on their terms of use, please refer to their website