JSON Schema Generator

Draft:

예시 포함Format Detected

Input JSON

생성된 JSON Schema

JSON을 입력하면 스키마가 여기에 표시됩니다.

Last updated: 2026 · Free online tool

What is JSON Schema Generator?

Free online tool to automatically generate JSON Schema from JSON data

1
Enter JSON — Paste JSON data on the left.
2
Select Options — Set the Draft version, include examples, and format detection options.
3
View Schema — Review the auto-generated JSON Schema on the right and copy it.

JSON Schema Draft-07 and 2020-12 are both supported.

It automatically detects formats like email, URI, date, UUID, and IPv4 in string values and adds the format keyword.

The items schema is generated based on the first element of the array.

All fields that are not null or undefined are included as required.

No. All schema generation is done in the browser.