JSON Schema to Code
Generate type models from a JSON Schema online — TypeScript interfaces, Java records, Python dataclasses, Go, Rust and more. $ref, allOf and required handled.
TypeScript output
// Generated by blackdroid.dev
export interface User {
id: number;
name: string;
email: string;
role?: string;
score?: number;
tags?: string[];
address?: Address;
}
export interface Address {
street?: string;
city: string;
zip?: string;
}About JSON Schema to Code
Paste a JSON Schema and get ready-to-use type declarations in 11 languages — TypeScript, JavaScript (JSDoc), Java records or classes, Kotlin, Python dataclasses, Go, Rust, Swift, C#, C++. Required vs optional properties, nested objects and arrays are all mapped.
Internal $ref pointers (including #/$defs and recursive references), allOf merging, enum/const literals and type unions like ["string","null"] are resolved — anything unsupported degrades gracefully with a visible warning. Everything runs locally in your browser.