Write and execute GraphQL queries with syntax highlighting and variable editing
Zero Dependencies · Works OfflineGraphQL Playground is a free online editor，useinencodewrite、TestanddebugGraphQLquery。supports high 、Variable Editing、Header ConfigurationandResponse Formatting。querydirectlyfromBrowsetoolSendtotargetAPI，not throughin server。
Quickly test queries and mutations during GraphQL API development.
Frontend developers test GraphQL query return data structures.
Use Introspection queries to understand third-party GraphQL API data models.
A free online editor for writing, testing, and debugging GraphQL queries, mutations, and subscriptions.
Enter GraphQL API endpoint URL, write query in editor, optionally set headers and variables, click execute to see response.
All three: Query, Mutation, and Subscription.
Yes. Set custom headers like Authorization, Content-Type.
Queries are sent directly from browser to target API. No intermediate servers.
Yes. Execute Introspection queries to get complete Schema documentation.