Write and execute GraphQL queries with syntax highlighting and variable editing
Zero Dependencies · Works Offline🔗 API Endpoint
📝 Request Headers
🔍 Query Editor
📦 Query Variables
What is GraphQL Playground?
GraphQL Playground is a free online editor，useinencodewrite、TestanddebugGraphQLquery.supports high 、Variable Editing、Header ConfigurationandResponse Formatting.querydirectlyfromBrowsetoolSendtotargetAPI，not throughin server.
Key Features
- Query Editor：supports high GraphQLQuery Editor
- Variable Editing：Easily set query variables（Query Variables）
- Header Configuration：Custom HTTP headers, supports auth tokens
- Response Formatting：Auto-format JSON responses for readability
- History：Save recent queries for quick reuse
- Introspection：Support Schema introspection for API documentation
Use Cases
Use Case 1: API Development
Quickly test queries and mutations during GraphQL API development.
Use Case 2: Frontend Integration
Frontend developers test GraphQL query return data structures.
Use Case 3: Schema Exploration
Use Introspection queries to understand third-party GraphQL API data models.
❓ FAQ
What is GraphQL Playground?
A free online editor for writing, testing, and debugging GraphQL queries, mutations, and subscriptions.
How to use it?
Enter GraphQL API endpoint URL, write query in editor, optionally set headers and variables, click execute to see response.
Which GraphQL operations are supported?
All three: Query, Mutation, and Subscription.
Can I set request headers?
Yes. Set custom headers like Authorization, Content-Type.
Is data uploaded to servers?
Queries are sent directly from browser to target API. No intermediate servers.
Does it support Introspection?
Yes. Execute Introspection queries to get complete Schema documentation.