export interface RootObjectaddresscoordinates { lat: number; lng: number; } export interface RootObjectaddress { street: string; city: string; zip: string; coordinates: RootObjectaddresscoordinates; } export interface RootObjectordersItem { id: number; total: number; date: string; } export interface RootObject { id: number; name: string; email: string; active: boolean; roles: string[]; address: RootObjectaddress; orders: RootObjectordersItem[]; }
4 interfaces · 16 properties
This tool is part of these guided projects. Each project provides step-by-step instructions with checklists and all the tools you need in one place.
Tools you might need next
Visual JSON tree explorer. Collapsible tree, JSONPath on click, search, and stats. Inspect nested structures. Free developer utility that runs locally in your
Format, beautify, and validate JSON online. Pretty-print with 2- or 4-space indentation, fix syntax errors, and inspect nested structures instantly.
Generate realistic test data for developers. Full names, emails, addresses, UUIDs, and more in JSON, CSV, SQL, or TypeScript.
The JSON to TypeScript Interface Generator tokenizes and validates input against the relevant specification (RFC, W3C, or language standard). Syntax errors include line/column hints when the format supports positional parsing.
Input passes through a deterministic transform pipeline: normalize → validate → format/encode → output. The same input always produces identical output with no server round-trip.
Special characters, Unicode code points, and escape sequences are handled per the target format's rules. Output preserves semantic meaning while conforming to structural requirements.
Updated: July 2026
A backend developer pastes a malformed payload into the JSON to TypeScript Interface Generator during an incident to locate syntax errors before redeploying.
Before opening a pull request, an engineer runs config files through the JSON to TypeScript Interface Generator to enforce consistent formatting across the team.
A technical writer uses the JSON to TypeScript Interface Generator to produce clean, readable examples for internal API documentation.
Use our free JSON to TypeScript Interface Generator for fast, accurate results in your browser. No signup or installation required — works on any device.