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Generate JSON Schema Online

Auto-generate JSON Schema from your JSON data. Supports Draft-04, Draft-06, Draft-07.

Step 1: Paste your JSON

Paste a JSON object to generate its schema.

+ What is JSON Schema?

A vocabulary to annotate and validate JSON documents.

+ Is this JSON Schema tool free?

Yes, completely free. No registration, no limits, no hidden fees.

+ Is the schema tool free to use?

Yes, our schema tool is completely free. No registration, no limits.

+ Can I use this schema tool on mobile?

Yes, all tools including schema are fully responsive. Works on all devices.