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JSON Schema Validator

json · schema · validate · ajv · format

JSON Schema

JSON Data

✅

Valid!

Supports: type, required, properties, minimum, maximum, minLength, maxLength, enum

How to use

1
Paste your JSON Schema.
2
Paste the JSON data.
3
See validation errors.

FAQ

Is this tool free?

Yes — no sign-up, no installation, completely free to use right away.

What is this tool?

Validate JSON data against a JSON Schema. Checks types, required fields, enums, and ranges. You can use it for free with no sign-up or installation — just open the page and start right away.