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JSON to SQL Schema

Generate SQL schema from JSON.

How to Use This Tool

  1. Paste JSON.
  2. Set a table name.
  3. Click Generate Schema.

Learn More About JSON to SQL Schema

Why generate SQL schemas?

A quick schema draft helps you move faster when modeling new data sources.

About JSON to SQL Schema

SQL schemas define relational tables. This tool creates a basic CREATE TABLE statement from JSON samples so you can start modeling quickly.
Create SQL tables from JSON.
Runs in browser
Yes
Output
SQL
Nested fields
Flattened

Examples

Generate SQL schema

Convert JSON into SQL CREATE TABLE syntax.
Input
{"name":"Ava","email":"[email protected]"}
Output
CREATE TABLE root_table (
  id INTEGER PRIMARY KEY,
  name TEXT,
  email TEXT
);

Features

SQL output

Generates CREATE TABLE statements.

Column inference

Infers TEXT, INTEGER, REAL, and BOOLEAN.

Nested flattening

Flattens nested objects into columns.

Use Cases

  • Draft database tables quickly.
  • Prototype schemas from JSON APIs.
  • Document data structures.

Frequently Asked Questions

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