TypeScript Interface → JSON Online

What TypeScript Interface → JSON does

Create representative JSON from a TypeScript interface. The utility is designed for quick, focused work without requiring an account or installing another application.

Common uses

• Debug API payloads and configuration files
• Prepare data for reviews, tests and migrations
• Convert between common development formats

How to use TypeScript Interface → JSON

1. Enter or paste the value you want to process in TypeScript Interface → JSON.
2. Run the tool and review the generated result for the expected format.
3. Copy or download the result and verify it in the system where it will be used.

Privacy: Runs locally in your browser. Input is not uploaded to the DevNet Kit server.

TypeScript Interface → JSON example

Try the tool with this representative input:

interface User { id: number; name: string; active?: boolean; tags: string[]; }