Free JSON to SQL Converter
for developers.
Convert JSON objects and arrays into SQL INSERT statements instantly in your browser. Great for seed data, database testing, quick imports and prototyping.
Paste your JSON
Generated SQL
How it works
- Reads a JSON object or array of objects
- Uses JSON keys as SQL column names
- Generates INSERT INTO statements automatically
- Handles strings, numbers, booleans and null values
- Escapes single quotes in string values
Useful for
- Generating SQL seed data
- Testing local databases
- Creating INSERT statements quickly
- Prototyping imports from JSON data
Privacy
- Your JSON stays in the browser
- No upload, no signup, no server processing
Free online JSON to SQL converter
This tool converts JSON data into SQL INSERT statements directly in your browser. It is useful when you need to turn API data, mock payloads or exported JSON into SQL rows for local development, testing or database seeding.
You can paste a single JSON object or an array of objects. The converter collects the keys, uses them as SQL column names and generates a clean INSERT statement with properly formatted values.
This version is intentionally lightweight and fast. It focuses on practical developer workflows instead of trying to support every SQL dialect-specific edge case.
Example
[
{
"id": 1,
"name": "John",
"email": "john@example.com"
}
]This generates a SQL INSERT statement using the JSON keys as columns and the JSON values as row values.
Why convert JSON to SQL?
JSON is common in APIs, frontend apps and data exports, while SQL is still central to relational databases. Converting JSON into SQL helps bridge those workflows and saves time when building fixtures, imports, demos and test data.
It is especially useful for developers working across JavaScript, TypeScript and SQL-based systems.
FAQ
Does this generate INSERT statements?
Yes. This version focuses on converting JSON into SQL INSERT statements.
Can I paste an array of objects?
Yes. Arrays of objects are supported and converted into multiple VALUES rows.
How are null values handled?
Null values are converted to SQL NULL.
Is this JSON to SQL converter safe?
Yes. Everything runs locally in your browser and your JSON is not uploaded.
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