Is this tool compatible with JSON Schema Draft 07?

Yes, both the XSD converter and the JSON-to-Schema generator produce output compatible with JSON Schema Draft 07, which is widely supported by most validators and libraries.

Absolutely. All conversions happen entirely in your web browser using JavaScript. No XML or JSON data is ever sent to our servers, ensuring complete privacy.

Does it handle JSON arrays?

Yes. If you provide a JSON array, the tool will analyze all items in the array to create a unified schema that validates any of the items (merging properties).

Does it support XML attributes?

Yes, XML attributes defined in your XSD are converted to JSON Schema properties, often treated as required fields depending on the 'use' attribute.

XSD & JSON Schema Converter

Comprehensive developer suite: Convert XSD to JSON Schema, generate JSON Schema from JSON objects, and create sample JSON data from XSD definitions.

Client-Side Processing

Draft 07 Compatible

Instant Validation

XSD Input

JSON Schema Output

Developer's Guide to Schema Tools

Whether you are migrating from legacy XML systems or building modern REST APIs, schema validation is critical. Our suite offers three powerful modes to help your workflow:

1. XSD to JSON Schema Converter

Perfect for migrating SOAP/XML services to REST/JSON. It takes your rigorous XML Schema Definitions (XSDs) and converts them into standard JSON Schema (Draft 07). It preserves types like xs:string, xs:integer, and structure constraints like minOccurs/maxOccurs.

2. JSON to JSON Schema Generator

The fastest way to document an API. Simply paste a sample JSON response payload, and our tool infers the entire schema structure. It detects arrays, nested objects, nullable fields, and selects appropriate data types automatically.

3. XSD to JSON Sample Generator

Need dummy data for testing? This mode takes an XSD file and generates a valid JSON object that conforms to the schema. Great for seeding databases or mocking API endpoints before the backend is built.

Comparison: XSD vs JSON Schema

Feature	XML Schema (XSD)	JSON Schema
Data Model	Tree of Elements & Attributes	Objects, Arrays, Primitives
Usage	SOAP, Enterprise Java, Configs	REST APIs, NoSQL, Configs
Complexity	High (Namespaces, types)	Medium (Composition based)
Validation	Strict, Type-heavy	Structural, Constraint-based

Frequently Asked Questions

How to generate JSON Schema from a JSON object?

Select the "JSON → JSON Schema" tab above. Paste your JSON data (object or array) into the left panel and click "Generate Schema". The tool will create a ready-to-use JSON Schema based on your data's structure and types.

Can I convert complex XSD types to JSON Schema?

Yes. Our engine handles key XSD concepts: complexTypes become JSON properties, sequences suggest property order (though JSON is unordered), and simpleTypes with restrictions are mapped to JSON Schema `enum` or `pattern` constraints where possible.

Is the XSD converter free?

Yes, it is 100% free and open for unlimited use. There are no daily limits, and since it runs in your browser, it's extremely fast even for large schemas.

How to create mock JSON from XSD?

Use the "XSD → JSON Sample" tab. Input your XSD, and the tool will generate a "dummy" JSON object filled with placeholder strings, numbers, and booleans that satisfy the schema's requirements.

Is this compatible with Draft 07/2019-09?

The output is generated targeting JSON Schema Draft 07, which strikes the best balance between modern features and compatibility with major validators in Python, Java, and Node.js.

Can I use this for API validation?

Absolutely. The schemas generated here can be dropped directly into libraries like `ajv` (Node.js), `jsonschema` (Python), or framework middleware to validate incoming API requests automatically.