JSON Schema Generator

Generate JSON Schema (Draft-07 & 2020-12) from sample JSON data online. Auto-detects email, date-time, uri, and uuid formats. Free developer tool.

About this tool

JSON Schema Generator infers and creates standard JSON Schema (Draft-07 and 2020-12) specifications with automatic type inference and string format detection.

How to use

  1. Paste sample JSON payload or API response.
  2. Select JSON Schema draft standard (Draft-07 or 2020-12).
  3. Toggle required properties enforcement.
  4. Copy the generated JSON Schema specification.

FAQ

What string formats are detected?

Automatically detects email, uri, date-time (ISO 8601), and uuid formats.

Does it support deep nested structures?

Yes, handles multi-level nested objects and arrays seamlessly.

What does JSON Schema Generator do?

JSON Schema Generator infers and creates standard JSON Schema (Draft-07 and 2020-12) specifications with automatic type inference and string format detection.

How do I use JSON Schema Generator?

Open the JSON Schema Generator tool, then paste sample JSON payload or API response.

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