JSON to SQL Converter

JSON Input
Lines —Chars —Size ——
SQL Output

Paste JSON data on the left to see sql output

Convert JSON to SQL Online

The JSON to SQL Converter generates ready-to-use CREATE TABLE and INSERT statements from your JSON data. Automatically detects column types (INTEGER, DECIMAL, TEXT) by scanning values. Compatible with MySQL, PostgreSQL, and SQLite.

Key Features

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Auto Type Detection

Automatically detects column data types (INTEGER, DECIMAL, TEXT) by scanning your JSON values for accurate SQL schema generation.

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Ready-to-Run SQL

Generates complete CREATE TABLE and INSERT statements you can run directly in your database client.

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100% Private

All processing runs entirely in your browser. No data is ever sent to a server. Your JSON stays private.

How to Use

1
Paste or Upload JSONPaste your JSON into the editor or upload a .json file.
2
Select SQL OutputSwitch to the SQL tab to generate CREATE TABLE and INSERT statements from your JSON data.
3
Copy or DownloadCopy the SQL statements to clipboard or download as a .sql file to run in your database.

Common Use Cases

Database Seeding

Generate INSERT statements from JSON sample data to quickly seed development and staging databases.

Schema Generation

Create CREATE TABLE statements from JSON data to bootstrap database schemas from API response samples.

Data Migration

Convert JSON exports from NoSQL databases or APIs into SQL statements for import into relational databases.

Quick Prototyping

Rapidly generate SQL from JSON mock data during project prototyping and proof-of-concept development.

Frequently Asked Questions

How do I convert JSON to SQL?

Paste your JSON data or upload a JSON file. The converter automatically generates CREATE TABLE and INSERT statements with column types detected from your data values.

Is this JSON to SQL converter free?

Yes! Online Data Tools JSON to SQL Converter is completely free with no sign-up, no ads, and no data limits.

What SQL databases are supported?

The generated SQL is compatible with MySQL, PostgreSQL, SQLite, and other standard SQL databases. Column types like INTEGER, DECIMAL, and TEXT are automatically detected.

Is my JSON data safe during conversion?

Absolutely. All conversion happens in your browser using JavaScript. No data is ever sent to any server.