SQL to JSON Converter Online — Convert SQL query results to JSON online — Free Online Tool

What is SQL to JSON Conversion?

SQL to JSON conversion transforms tabular database query results into JSON arrays or objects. Each database row becomes a JSON object, and each column becomes a key-value pair. This is essential for building REST APIs, creating mock data for frontend development, and exporting database content for JavaScript applications.

DevKits provides a free browser-based sql to json converter online — your data is never sent to any server.

How to Use the SQL to JSON Converter Online

1. 1. Paste your SQL query result (TSV, CSV, or formatted table output).
   2. Click Convert.
   3. Get a JSON array or object with proper data types.

Key Features

• Auto-detects column types (number
• boolean
• string)
• nested object support
• array or object-per-row output
• minified or pretty JSON
• 100% browser-based — complete privacy
• No signup required — free forever
• Works on desktop and mobile

Use Cases for SQL JSON

REST API mocking, data export, backend development.

Frequently Asked Questions

Is this SQL to JSON Converter free?

Yes, completely free with no usage limits, no signup, and no rate limiting.

Is my data safe?

All processing runs in your browser. No data is sent to any server — you can use it offline after page load.

What browsers are supported?

Chrome, Firefox, Safari, and Edge on desktop and mobile.

Can I use this for SQL JSON in production?

This tool is ideal for development and debugging. For production, implement the same logic in your application using standard libraries.

Are there file size limits?

No hard limits — processing is limited only by your browser's available memory.