Online JSON to SQL Converter

Choose input options(Optional)
Advance options(Optional)
NOTE - you can change the column names below by overwriting the Field Name value.

What is JSON?

JSON stands for "JavaScript Object Notation." It is a lightweight data-interchange format. JSON is easy for humans to read and write and easy for machines to parse and generate. It is widely used for data exchange between a server and a web application, as well as for configuration files. JSON data is represented as key-value pairs and can include arrays and nested objects. JSON files typically have the ".json" file extension. The MIME type for JSON is "application/json."

JSON Example:

{"name": "John Doe","age": 30,"occupation": "Software Engineer","skills": ["JavaScript", "HTML", "CSS"]}

Advantages of Using JSON:

Human-Readable: JSON is easy for humans to read and write, facilitating efficient data comprehension and debugging.
Machine-Parsable: Machines can easily parse and generate JSON, making it a preferred format for data interchange between different systems and languages.
Supports Complex Data Structures: JSON supports nested structures, arrays, and key-value pairs, allowing representation of complex data in a structured manner.
Widely Adopted: JSON is a widely adopted data-interchange format in web development, supported by many programming languages and applications.

Read More:

Explore more about JSON on Wikipedia.

What is SQL?

SQL stands for "Structured Query Language." It is a domain-specific language used for managing and manipulating relational databases. SQL provides a standardized way to interact with databases, enabling users to create, retrieve, update, and delete data. It is widely employed for tasks such as database design, data querying, and data manipulation. SQL is not limited to a specific database system and is supported by various database management systems (DBMS) like MySQL, PostgreSQL, Oracle, and Microsoft SQL Server. Common SQL operations include SELECT (querying data), INSERT (adding new data), UPDATE (modifying existing data), and DELETE (removing data).

SQL Example:

-- Selecting data from a table
SELECT FirstName, LastName FROM Employees WHERE Department = 'IT';

-- Inserting new data
INSERT INTO Customers (CustomerID, CustomerName, Email) VALUES (1, 'ABC Company', '');

-- Updating existing data
UPDATE Products SET Price = 29.99 WHERE ProductID = 101;

-- Deleting data
DELETE FROM Orders WHERE OrderID = 500;

Advantages of Using SQL:

Declarative Language: SQL is a declarative language, meaning users specify the result they want, and the database management system determines the best way to retrieve it.
Scalability: SQL databases can handle large amounts of data and scale well with the growth of data and users.
Data Integrity: SQL supports constraints and relationships, ensuring the integrity of data stored in the database.
Interoperability: SQL is supported by a wide range of database systems, promoting interoperability across different platforms.

Read More:

Explore more about SQL on Wikipedia.

How to Convert JSON to SQL

Step 1: Input Options for JSON Data:

Text Tab: Manually enter JSON data as a valid string.

File Tab: Upload your JSON file using the 'Drop/Browse File' feature.

Step 2: Entering JSON Data:

After inputting JSON data, proceed to the 'Output Options' section.

Step 3: Customizing Field Names:

Modify field names for the insert operation according to your preference.

Step 4: Defining Primary or Composite Keys:

Use the "Key" column to specify primary or composite keys for your SQL table.

Step 5: Deciding Included Columns:

Control which columns are included in the SQL table for select, delete, and insert operations.

Step 6: Using the "Trim" Option:

Enable "Trim" to automatically trim whitespace from text-based columns, ensuring data cleanliness.

Step 7: Handling Empty Fields:

Utilize the "Use NULL for Empty Field" option to represent empty or null values correctly in SQL queries.

Step 8: Obtaining SQL Output:

Once you've configured your conversion settings, it's time to obtain the SQL output.

Click the 'Convert' button to initiate the conversion process. This action triggers the system to process your JSON data according to the specified options.

The resulting SQL data will be displayed in a textarea, conveniently located within the user interface.

Under the "Advanced Options" section located below the output area, users can select the type of SQL query they want to generate, such as select, delete, or insert.

After selecting the desired query type, review the SQL output in the textarea.

You have two primary options for accessing the converted SQL data:

  • Copy: If you intend to use the SQL data in another application or environment, simply click the 'Copy' button to copy the generated SQL data to your clipboard. You can then paste it into your desired destination.
  • Download: Alternatively, you can download the SQL data as a file. The SQL file will be downloaded to your device, ready for use.

These options provide flexibility, allowing you to choose the most suitable method for accessing your converted data based on your workflow preferences and requirements.


1. What is JSON to SQL conversion?

The JSON to SQL conversion feature allows users to seamlessly convert JSON data into SQL format. This conversion facilitates data interchange and analysis across different database systems that support SQL.

2. What are the input options for JSON data?

ConversionTab offers users two convenient ways to input their JSON data:

  • Text Tab: Users can manually enter JSON data as a valid string in this tab.
  • File Tab: Users can upload their JSON file through the 'Drop/Browse File' feature, making it easy to work with existing data.

3. What happens after entering JSON data?

Upon entering JSON data, users are directed to the 'Output Options' section, where they can convert the JSON to SQL by clicking on "Convert" to get the output.

4. How do I handle invalid JSON data?

If the JSON data is invalid, the converter will provide an error message. It's crucial to ensure that your JSON data is valid before attempting conversion to SQL.

5. How do I format the JSON before conversion?

ConversionTab offers a 'Format' button that allows you to format your pasted JSON data before initiating the conversion process.

6. Can I customize the "Field Name" during the JSON to SQL conversion for the insert operation?

You can easily modify the field names to your preference for the insert operation. Overwrite the default field names with your desired values.

7. How does the "Key" column work, and how can I specify primary or composite keys?

The "Key" column allows you to define primary or composite keys for your SQL table. By ticking the "Key" checkbox next to a column, you designate it as a primary key. If you select the "Key" checkbox for multiple columns, you create a composite key.

8. How do I decide which columns to "Include" in the SQL table for the insert, select, and delete operations?

Similar to the insert operation, you can control which columns are included in the SQL table for select, delete, and insert queries by ticking or unticking the "Include" checkbox next to each column.

9. How does the "Trim" option work for select, delete, and insert queries, and when should I use it?

Enabling the "Trim" option automatically trims leading and trailing whitespace from text-based columns in the WHERE clauses of select and delete queries and also in the data being inserted for the insert operation. This helps maintain data cleanliness in your SQL queries.

10. How does the "Use NULL for Empty Field" option work for select, delete, and insert queries?

The "Use NULL for Empty Field" option is applied to select, delete, and insert queries as well. It ensures that empty or null values in the JSON are correctly represented as NULL in the WHERE clauses of your SQL queries and in the data being inserted, following SQL conventions.

11. Can I modify the "Data Type" and "Max Size" for columns in select, delete, and insert queries?

The "Data Type" and "Max Size" for columns in select, delete, and insert queries are automatically detected based on the JSON data. Users cannot modify these settings as they are determined by the data in the JSON file.

12. How do I obtain the SQL output?

Once the conversion settings are configured, users can initiate the conversion process by clicking the 'Convert' button. The resulting SQL data is displayed in a textarea, providing users with two options:

  • Copy: Users can copy the generated SQL data for use elsewhere.
  • Download: Users can download the SQL file, with the option to specify a custom file name if desired.

This flexibility ensures that users can choose the most suitable method for accessing their converted data.

13. What does the "Example" feature offer?

The "Example" feature provides users with a sample JSON dataset, accessible via the "Example" button. This feature aids in understanding the conversion process by demonstrating how JSON data should be structured for optimal conversion results.

14. What functionality does the "Reset" button provide?

The "Reset" button allows users to clear input data, providing a clean slate for new conversions or adjustments. This feature ensures a smooth user experience by facilitating quick data resets.