Convert GraphQL queries and selection sets into realistic mock JSON response payloads.
Execution runs 100% locally inside the browser sandbox using HTML5 Canvas, Web Cryptography Subtle API, and Web Workers. Zero egress.
Zero network latency. Operates completely offline with zero dependencies on third-party backend servers or cloud services.
Built according to official RFC specifications, cryptographic test vectors, and enterprise-grade data transformation standards.
Paste your query or mutation document.
Review the nested JSON response structure.
Copy or download the mock payload.
Yes, it creates a spec-compliant { data: { ... } } structure.
Yes, it produces clean JSON fixtures for mock service workers and test runners.
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