This is a web application allowing to generate schema of a PostgreSQL database. There are 2 types of users: Admin and ordinary user. Admin have acces to all databases, of which credentials they give (database user, user, password, host and port). Ordinary User, besides the following, requiers permission to acces to databases given by admin. Schema is generated on web site and can be zoomed and moved; there is posibility to download it as PNG file. All web app is made in Next.js, and next-auth library is used to user managment.