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TypeScript → JSON Schema
Convert TypeScript type declarations into valid JSON Schema.
Programming & Config Studio
JSON to Language Struct / Class Generator
RAW JSON OBJECT
GENERATED GO CODE
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Tool Documentation & Architecture
About TypeScript → JSON Schema
The TypeScript Interface to JSON Schema Converter transforms TypeScript interfaces and type aliases into compliant JSON Schema Draft-07, 2019-09, and 2020-12 specifications for API contracts and form generators.
Step-by-Step Guide
How to Use TypeScript → JSON Schema
1
Step 1
Paste your TypeScript interface or type definition.
2
Step 2
Select JSON Schema Draft version.
3
Step 3
Review the generated JSON Schema document.
4
Step 4
Click "Copy JSON Schema".
Industry Scenarios
Practical Use Cases for TypeScript → JSON Schema
Generating OpenAPI & Swagger Schema Components
Convert TypeScript data models into JSON Schema definitions to document REST APIs in OpenAPI/Swagger specifications.
Validating Client-Side Form Generators (e.g. react-json-schema-form)
Create standardized JSON Schema models from TypeScript definitions to render dynamic web forms.
Sample Data & Transformation
Input & Output Examples
Converting TypeScript Interface to JSON Schema
Input Sample:
`interface User { id: number; name: string; email?: string; }`Processed Result:
`{\n "$schema": "https://json-schema.org/draft/2020-12/schema",\n "type": "object",\n "properties": {\n "id": { "type": "number" },\n "name": { "type": "string" },\n "email": { "type": "string" }\n },\n "required": ["id", "name"]\n}`Technical Capabilities
Key Features & Performance
- ✓Compliant with JSON Schema Draft-07, Draft 2019-09, and Draft 2020-12 specifications.
- ✓Supports interfaces, type aliases, union types, intersection types, and nested object types.
- ✓Respects optional modifiers (`?`) by populating the `"required"` array accordingly.
- ✓100% Client-Side TypeScript AST compiler execution.
- ✓1-Click Copy JSON Schema.
Technical Glossary
Key Terminology & Definitions
JSON Schema Specification
A declarative vocabulary for annotating and validating the format, structure, and constraints of JSON documents.
`required` Array (JSON Schema)
An array of property names that MUST be present in a valid instance of the defined object schema.
Frequently Asked Questions (PAA)
TypeScript → JSON Schema FAQs
Yes! Union types are mapped to JSON Schema `enum` arrays or `anyOf` schema combinations.
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