JSON to SQL Converter

📄 JSON to SQL Conversion

Convert JSON data to SQL INSERT statements instantly.

Choose your database and start converting now. No data upload, 100% private processing.

🐘 PostgreSQL

JSONB Native Support

JSONB Column Support
Array Type Mapping
Nested Object Handling
UUID Type Detection
Custom Type Support
GIN Index Ready

Convert to PostgreSQL

🏢 SQL Server

Enterprise JSON Handling

JSON Data Type Support
JSON_VALUE & JSON_QUERY
Array to Table Conversion
IDENTITY Auto-Increment
T-SQL Optimization
Azure SQL Compatible

Convert to SQL Server

🌐 MySQL

Flexible JSON Storage

JSON Path Extraction
Array Flattening
AUTO_INCREMENT Keys
InnoDB Optimized
WordPress Compatible
MariaDB Support

Convert to MySQL

Why Convert JSON to SQL?

JSON has become the lingua franca of modern web applications, but SQL databases remain the backbone of data persistence. Converting JSON data to optimized SQL INSERT statements bridges the gap between API responses, configuration files, and relational databases. This tool eliminates manual mapping by automatically generating database-ready SQL from your JSON data, whether it’s API responses, configuration objects, or data exports.

Key Advantages

🔒 100% Private & Secure

Your JSON data never leaves your computer. All processing happens client-side using the browser’s native JavaScript engine. No uploads, no servers, complete privacy.

⚡ Intelligent Parsing

Automatically detects nested structures, arrays, and objects. Generates optimal schema with proper data types based on JSON content analysis.

📊 Multi-Database Support

Choose from PostgreSQL (JSONB), SQL Server (JSON), or MySQL (JSON paths). Each optimized for that database’s JSON capabilities.

🎯 Array & Nested Handling

Intelligently flattens nested JSON, handles arrays as separate rows or stored as JSON, and creates proper relationships between data.

📈 Performance Optimized

Generates batch inserts and indexes for JSON fields. Respects database-specific JSON functions for maximum query performance.

💾 One-Click Export

Copy to clipboard or download your generated SQL file for easy integration into your database management tools.

Common Use Cases

API Data Import: Converting REST API responses directly into database tables for caching or archival. Configuration Storage: Storing application configuration files as structured database records. Data Migration: Migrating JSON exports from legacy systems or other platforms. NoSQL to SQL: Converting MongoDB/Firebase JSON documents to relational databases. Log Analysis: Importing JSON logs into databases for analysis and reporting. ETL Pipelines: JSON-to-SQL conversion as part of automated data pipelines.

JSON Support Across Databases

Different databases handle JSON differently. Here’s how they compare:

Feature	PostgreSQL	SQL Server	MySQL
JSON Column Type	JSON & JSONB	JSON (VARCHAR(MAX))	JSON
Native Indexing	GIN/GIST (JSONB)	Computed Columns	Generated Columns
Query Functions	@>, <@, ->	JSON_VALUE, JSON_QUERY	JSON_EXTRACT, JSON_SET
Performance	Excellent	Good	Good with indexes
Storage Format	Binary (JSONB)	Text	Text

Frequently Asked Questions

How does the converter handle nested JSON objects?

The tool intelligently flattens nested structures into separate columns or stores them as JSON fields depending on your database choice. Deeply nested objects can be preserved as JSONB/JSON columns.

What about JSON arrays in the data?

Arrays can be stored as JSON columns directly, or if they contain objects, converted to separate rows with a foreign key relationship. The tool lets you choose the best approach.

Can I import my API response directly?

Yes! Copy the JSON response from your API, paste it into the converter, and it generates INSERT statements. Works with any valid JSON.

Does this tool support JSONB in PostgreSQL?

Yes. The PostgreSQL converter can create JSONB columns for storing and indexing JSON data efficiently with PostgreSQL’s advanced JSON operators.

What about invalid or malformed JSON?

The tool validates JSON syntax and reports errors clearly. You’ll see what needs to be fixed before conversion proceeds.

Can I customize the generated schema?

The tool generates automatic schemas based on your JSON. You can copy the SQL and edit manually in your database client for customization.