Enable to create a schema for tabular data (CSV files)

JSON Schema Builder

Generated JSON Schema

JSON Schema Editor

All processing happens locally in your browser.

A visual editor for creating and modifying JSON Schema definitions. Perfect for documenting API responses, validating data structures, and defining LLM JSON modes.

Key Features

  • Visual Editing: Create and modify JSON schemas with an intuitive interface, no manual schema writing required.
  • Live Preview: See your schema changes reflected in real-time with instant validation.
  • Advanced Schema Options:
    • Support for all JSON Schema types and formats
    • Custom validation rules and constraints
    • Nested object and array definitions
  • Developer Tools:
    • Import existing JSON Schema files
    • Generate sample JSON data from your schema
    • Export schema in various formats

Ideal for API developers, data architects, and anyone working with structured JSON data who needs to create or maintain JSON Schema definitions.