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Converters

JSON to SQL Converter

Generate SQL INSERT queries and CREATE TABLE DDL from JSON data.

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How to Use JSON to SQL Converter

  1. Paste your JSON object or array of objects into the editor.
  2. Select your target SQL dialect and choose options (CREATE TABLE, batch inserts, quoted identifiers).
  3. Copy the generated SQL script and run it in your database client.

Frequently Asked Questions

Which SQL dialects are supported?

The converter supports PostgreSQL, MySQL, SQLite, and Microsoft SQL Server dialect flavors.

How are data types inferred?

Numbers, booleans, ISO date strings, objects, and text lengths are analyzed across all rows to determine appropriate column data types.

Sources & references

Primary references: PostgreSQL: SQL Syntax and Lexical Structure; RFC 8259: The JavaScript Object Notation (JSON) Data Interchange Format.

Review policy: references and behavior notes are checked whenever the tool implementation changes.