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HomeToolsAI JSON-to-Prompt Generator

AI JSON-to-Prompt Generator

Paste JSON, choose a mode (analyze, transform, validate, document, mock), get a structured AI prompt instantly.

Client-side only

Paste your JSON and choose a mode to generate a structured AI prompt. Works with ChatGPT, Claude, Gemini, and any LLM.

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AI JSON-to-Prompt Generator — Free Online Tool

Paste any JSON data and generate specialized AI prompts for analysis, transformation, validation, documentation, or mock data generation.

Prompt Modes

  • Analyze Structure — Explain data types, relationships, and patterns.
  • Transform / Map — Convert to TypeScript, Python, Go, SQL, GraphQL, and more.
  • Generate Validation — Create Zod, JSON Schema, or Joi validation schemas.
  • Generate Docs — Create API docs with TypeScript interfaces and OpenAPI snippets.
  • Generate Mock Data — Create realistic test data matching the structure.
  • Common Use Cases

  • API Development — Generate types and validation from response samples.
  • Testing — Create mock data that matches production schemas.
  • Documentation — Auto-generate API docs from example payloads.
  • Migration — Convert data structures between languages and frameworks.
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