JSON to TypeScript / Go / Rust Type Generator
Generate strongly typed TypeScript interfaces, Go structs with json tags, Rust serde models, and Python Pydantic schemas from JSON.
Source JSON Payload
Valid JSONexport interface RootAddress {
street: string
city: string
state: string
postal_code: string
country: string
}
export interface RootMetadataPreferences {
theme: string
email_notifications: boolean
}
export interface RootMetadata {
last_ip: string
preferences: RootMetadataPreferences
}
export interface Root {
id: string
name: string
email: string
is_verified: boolean
login_count: number
balance: number
address: RootAddress
tags: string[]
metadata: RootMetadata
}Related Data & Serialization Utilities
Validate, format, and minify complex JSON objects with tree view.
Convert YAML to JSON and validate syntax indentation accurately.
Convert cURL commands to Fetch, Axios, Python requests, Go, and Rust.
Encode and decode JSON strings, tokens, and payloads safely in your browser.
Multi-Language Type Generator
Instantly generate strongly-typed TypeScript interfaces, Go structs with json tags, Rust serde structs, and Python Pydantic models.
Deep Nested Schema Inference
Recursively analyzes JSON object trees and arrays, extracting child interfaces and resolving nullable types cleanly.
100% Client-Side & Private
All AST generation and parsing occurs locally in your browser. API schemas and proprietary JSON data never leave your device.
Frequently Asked Questions
Which programming languages can I generate types for?
How does it handle nested objects and array elements?
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