Instagres is a tool that enables users to quickly launch a fully functional Postgres database directly in their browser or through a command line interface, without the need for signing up or setting up infrastructure. Developed using Cloudflare Workers and Drizzle ORM, Instagres provides instant access to a Postgres database by leveraging Neon's serverless platform, which allows for the creation of databases in under a second. Users can initially use these databases temporarily, but the tool offers the option to transfer them to a permanent free account on Neon, ensuring data persistence. Instagres employs Cloudflare’s bot protection and rate limiting features to prevent misuse while maintaining a seamless user experience. This combination of instant database creation and easy transfer to a persistent state makes it useful for prototyping, tutorials, and quick experiments.