JSON to SQL Converter
Convert JSON data to SQL INSERT statements and CREATE TABLE schemas. Supports MySQL, PostgreSQL, SQLite, and SQL Server.
Auto Type Detection
INT, VARCHAR, DATE, BOOLEAN
Multi-Dialect
MySQL, PostgreSQL, SQLite, MSSQL
Nested JSON
Objects stored as JSON/JSONB
Fully Client-Side
Your data never leaves your browser
No Upload
Files stay on your device
Browser Processing
Everything runs locally
Zero Storage
These tools run entirely in your browser. Your sensitive data never leaves your device.
Why Use Our JSON to SQL Converter?
Multi-Dialect Support
PostgreSQL, MySQL, SQLite, and SQL Server with correct syntax for each.
Auto Type Detection
Automatically infers INT, VARCHAR, DATE, BOOLEAN, and JSON types from your data.
Private & Secure
All processing happens in your browser. Your data never leaves your device.
Proper Escaping
Handles special characters, quotes, and SQL injection-safe string escaping.
Bulk INSERT
Convert entire JSON arrays to multi-row INSERT statements efficiently.
CREATE + INSERT
Generate both table schema and data inserts in one click.
Supported Data Type Mappings
| JSON Type | PostgreSQL | MySQL | SQLite |
|---|---|---|---|
| Integer | INT / BIGINT | INT / BIGINT | INT / BIGINT |
| Float | NUMERIC | DECIMAL(18,6) | NUMERIC |
| Boolean | BOOLEAN | TINYINT(1) | BOOLEAN |
| String | VARCHAR(255) | VARCHAR(255) | VARCHAR(255) |
| Long String | TEXT | TEXT | TEXT |
| Date (YYYY-MM-DD) | DATE | DATE | DATE |
| DateTime (ISO 8601) | TIMESTAMP | DATETIME | TIMESTAMP |
| Object / Array | JSONB | JSON | TEXT |
Common Use Cases
API Response → Database
Convert REST API JSON responses directly into SQL INSERT statements for database storage.
Data Migration
Migrate JSON exports from NoSQL databases like MongoDB into relational SQL databases.
Seed Data Generation
Create database seed files from JSON configuration for development and testing environments.
Log Analysis
Import JSON log files into SQL databases for querying and analysis with standard SQL.
Spreadsheet Data
Convert JSON exports from spreadsheet tools into proper SQL format for database import.
Backup & Restore
Generate SQL backup scripts from JSON data exports for easy database restoration.
Frequently Asked Questions
How do I convert JSON to SQL INSERT statements?
Paste your JSON into the input, select your database dialect, set your table name, and click Convert. The tool generates properly formatted INSERT statements automatically.
What SQL databases are supported?
PostgreSQL, MySQL, SQLite, and Microsoft SQL Server. Each uses the correct quoting style and data types.
Can I generate CREATE TABLE statements?
Yes! Select 'CREATE + INSERT' or 'CREATE TABLE only' in the output options. Column types are automatically inferred from your data.
How does it handle nested objects?
Nested objects and arrays are serialized to JSON strings and stored in JSON/JSONB columns, preserving their structure.
Is my data secure?
Secure & private. All processing happens in your browser. Your JSON data never leaves your device.
Can I convert a single JSON object?
Yes! Single objects are automatically treated as a one-row array for INSERT generation.
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