Paste any JSON sample and instantly generate a valid JSON Schema definition for OpenAI function calling, Gemini structured outputs, and Pydantic models.
🚀 Launch Free Tool →✅ Auto-detect types from sample JSON
✅ JSON Schema Draft 7 output
✅ OpenAI function_call format
✅ TypeScript interface output
✅ Pydantic model export
JSON Schema is a vocabulary that describes the structure and validation rules of JSON data. It is used by OpenAI, Google Gemini, and other LLM APIs to enforce structured output formats.
Structured Outputs is an OpenAI API feature that guarantees the model's response matches your JSON Schema exactly — perfect for building reliable AI pipelines.
Yes. The tool includes a 'Export as Pydantic' option that generates a Python class with all fields typed and validated.