PlaygroundFree

Schema Sandbox

Write a JSON Schema and sample data side by side. Validation runs as you type.

Input

Schema

  • Valid schema (draft-07).

Data

  • Data is valid.

Related Playground tools

About Schema Sandbox

Write a JSON Schema and sample data side by side. Validation runs as you type.

How to use

  1. Write or paste a JSON Schema on the left.
  2. Write test data on the right.
  3. Watch both panels update as you type.
  4. Use Generate example data to start from a valid sample.

Good to know

This tool runs in your browser. What you enter is not sent to our server.