JSON Formatter for TypeScript
Free online json formatter with TypeScript code examples
Working with json formatter in TypeScript? Our free online json formatter helps TypeScript developers format, validate, and process data instantly. Below you will find TypeScript code examples using JSON (built-in) so you can achieve the same result programmatically in your own projects.
Try the JSON Formatter Online
Use our free JSON Formatter directly in your browser — no setup required.
Open JSON FormatterTypeScript Code Example
interface User {
name: string;
age: number;
}
const data = '{"name":"Alice","age":30}';
const parsed: User = JSON.parse(data);
const formatted = JSON.stringify(parsed, null, 2);
console.log(formatted);Quick Setup
Library: JSON (built-in)
// Built-in global — no installation neededTypeScript Tips & Best Practices
- Type the parsed output with interfaces for safety
- Use zod or io-ts for runtime validation after parsing
- JSON.parse returns 'any' — always cast to your type