Firecamp's GraphQL playground is help you test out the GraphQL queries with

Save queries, mutations, and subscriptions in a collection for future purposes Generate queries on the fly without having a knowledge of prior schema. just click and generate Get auto-generated variables from queries very quickly Upload single or multiple files at a time with just a couple of clicks Get a zero-maintenance document from the GraphQL schema, never be out of sync

Moreover, you can test out your RestAPIs, WebSocket API and many more.