JSON to TypeScript Interface

Convert JSON to TypeScript interfaces or types.

json to typescripttypescript interface generatorjson to ts

Drag & drop a file here, or click to browse

Supports JSON files

Input

Output

Privacy: This tool runs entirely in your browser. No data is sent to our servers. We don't store, share, or have access to any of the information you process here.

Examples

Example 1

{"name":"John","age":30,"active":true}

Click "Example 1" above to load

Example 2

{"items":[{"id":1,"name":"Item 1"},{"id":2,"name":"Item 2"}]}

Click "Example 2" above to load

Example 3

{"metadata":{"createdAt":"2024-01-01","tags":["tag1","tag2"]}}

Click "Example 3" above to load

Frequently Asked Questions

Q: Does it generate interfaces or types?

A: You can choose between interface and type alias.

Q: Can I handle optional fields?

A: Yes, fields with null/undefined become optional.

Related Tools

JSON to Go Struct

Convert JSON to Go struct definitions with tags and options.

JSON Formatter & Validator

Beautify, minify, validate, and fix JSON with syntax highlighting.

Privacy & Security

This tool runs entirely in your browser. No data is sent to our servers. We don't store, share, or have access to any of the information you process here.