Can I convert JSON back to TypeScript interfaces?

Yes! You can use our JSON to TypeScript Converter to convert raw JSON payloads into strongly-typed TypeScript interfaces.

TypeScript & JSON Studio

TypeScript to JSON Converter

Convert TypeScript interfaces and types into mock JSON objects and JSON Schema payloads.

Switch to JSON to TypeScript

TypeScript Interface / Type Input

8 lines | 144 bytes

Generated JSON Payload

JSON Object

10 lines | 160 bytes

{
  "id": "sample_value",
  "username": "sample_value",
  "age": 123,
  "isVerified": true,
  "roles": [
    "sample_value"
  ],
  "createdAt": "sample_value"
}

68% OFF + 3 MO FREE 4.7 / 5.0 Rating

NordVPN & Cyber Security for Developers

Encrypt public Wi-Fi traffic, hide IP addresses, and secure remote server connections with dedicated IP options.

Get 68% Off NordVPN → Sponsored Developer Tool

Frequently Asked Questions

DevToolsAtlas inspects field names and type annotations (string, number, boolean, Array, Date) within TypeScript interfaces or types to output formatted mock JSON payloads 100% in your browser.

FREE TIER AVAILABLEPartner Deal

Supabase Open Source Firebase Alternative

Postgres DB, Authentication, Realtime & Storage.

Instant Postgres database with row-level security, auto-generated REST/GraphQL APIs, and auth in under 2 minutes.

Build with Supabase →

Verified Partner Offer