Which JSON Schema drafts are supported?

Generated schemas use draft 2020-12. Validation supports the core keywords of draft-07 and 2020-12.

Can it load linked schemas?

Yes, if you allow it: choose Linked schemas: load from the web.

Can I make test data from a schema?

Yes. The Mock data tool generates realistic records from a schema or a sample.

JSON Schema Generator

Input

Output

JSON Schema Generator and Validator

Generate a JSON Schema from a sample in one paste, or switch to Validate to check JSON against a schema you already have. There is also a visual schema builder if you prefer to design one from scratch.

How to use it

Paste a sample JSON document.
The generated schema appears in the Output box.
To validate, choose Validate against schema and paste the schema in the second box.

What it does

Generates types, required keys and formats from a sample
Validates with clear errors and the path of each one
Visual Schema builder for designing schemas by hand
Mock data generator that creates records from a schema

Questions

Which JSON Schema drafts are supported?: Generated schemas use draft 2020-12. Validation supports the core keywords of draft-07 and 2020-12.
Can it load linked schemas?: Yes, if you allow it: choose Linked schemas: load from the web.
Can I make test data from a schema?: Yes. The Mock data tool generates realistic records from a schema or a sample.

More JSON tools

Bracely has more than 65 JSON tools in one page. Related ones:

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