XSD to JSON Converter

About This Tool

This tool converts XML Schema (XSD) documents into JSON representations or JSON Schema definitions. It parses XSD constructs such as complexType, sequence, and simpleType, and maps them to JSON objects and arrays according to a consistent schema-to-JSON policy. Conceptually, elements become JSON properties, complex types become object definitions, and sequences map to ordered arrays where appropriate. Annotations can be included in the JSON output as metadata when enabled. The converter handles multiple target namespaces, inlining of subtypes, and ensures valid JSON syntax with proper type coercion and null handling. Outputs can be JSON payloads suitable for API contracts or JSON Schema validators for runtime validation. This benefits API designers, backend developers, data engineers, and integration specialists who work with XML data sources and JSON consumers. Unique value lies in preserving structural intent from XSD while producing clean, consumable JSON that supports automated schema generation, client SDKs, and data translation workflows. Core features include: XSD parsing, type mapping, handling of complex types, arrays via maxOccurs, enumerations, optional/required attributes, and export options. Typical use cases include exporting JSON payload templates from XSDs, validating API contracts against provided XSDs, and generating JSON Schema for API gateways. The tool is designed for local security, supports standalone XSDs and imported schemas, and outputs deterministic JSON that can be consumed by code generators and data pipelines.

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