GraphQL Playground is a versatile integrated developer environment (IDE) for GraphQL, designed to enhance development workflows by offering features like automatic schema reloading, support for GraphQL subscriptions, and the ability to configure HTTP headers. Created by Prisma, it builds on GraphiQL with additional functionalities such as syntax highlighting, intelligent type-ahead, real-time error reporting, and a documentation explorer. GraphQL Playground can be used as a desktop app, an npm module for projects, or accessed through its web version, making it adaptable for both frontend and backend development. It facilitates sending GraphQL queries and mutations, supports variables, and provides a schema tab for previewing and downloading GraphQL schemas. Developers can embed it in React applications or use it as middleware in Node.js frameworks like Express, allowing for seamless interaction with GraphQL APIs. While it differs from GraphiQL, GraphQL Playground is a valuable tool for improving workflow efficiency in GraphQL API projects, and it can be complemented by tools like LogRocket for monitoring and debugging in production environments.