✅ 100% Free - No Credit Card Required

Free JSON to CSV Converter

Convert JSON arrays to CSV format instantly. Perfect for exporting data to Excel, Google Sheets, and other spreadsheet applications. All conversion happens in your browser.

Last Updated: 15 Jan 2026

JSON Input

CSV Output

What is JSON to CSV Conversion?

JSON to CSV conversion transforms structured JSON (JavaScript Object Notation) data into CSV (Comma-Separated Values) format. CSV is a simple text format where each line represents a row, and values are separated by commas. CSV files are widely used for data exchange, spreadsheet applications, and data analysis.

Converting JSON to CSV is useful when you need to export API data, database results, or structured data to spreadsheet applications like Excel or Google Sheets. Our converter automatically extracts object properties as column headers and converts each JSON object into a CSV row.

Why Use Our Free JSON to CSV Converter?

100% Client-Side

All conversion happens entirely in your browser. Your JSON data never leaves your device, ensuring complete privacy and security.

Instant Conversion

Convert JSON to CSV instantly as you paste. No delays, no server requests. Get results immediately for faster data export workflow.

Excel Compatible

Generated CSV files are fully compatible with Excel, Google Sheets, and all standard spreadsheet applications for seamless data import.

Common Use Cases for JSON to CSV Conversion

Data Export

API Data Export
Convert JSON responses from REST APIs or GraphQL into CSV format for analysis in Excel or Google Sheets.
Database Export
Export database query results (converted to JSON) to CSV for reporting, analysis, or sharing with non-technical users.
Data Migration
Convert JSON data files to CSV format for importing into systems that require CSV input or for data migration projects.

Business & Analysis

Spreadsheet Analysis
Convert JSON data to CSV for analysis in Excel, including pivot tables, charts, and advanced data manipulation features.
Reporting
Export JSON data to CSV for creating reports, dashboards, or sharing data with stakeholders who prefer spreadsheet formats.
Data Sharing
Convert JSON to CSV for sharing data with team members, clients, or systems that don't support JSON format.

How JSON to CSV Conversion Works

Parse JSON Array

The converter parses your JSON array to understand the data structure, identifying objects and their properties.

Extract Headers

Column headers are generated from the properties of the first object in the JSON array, ensuring all columns are represented.

Convert Objects to Rows

Each JSON object in the array is converted to a CSV row, with property values placed in corresponding columns. Nested data is flattened or stringified.

Format CSV Output

The CSV is formatted with proper comma separation, quoted values for special characters, and line breaks between rows for Excel compatibility.

Frequently Asked Questions

What JSON format does this converter support?

Our converter works with JSON arrays of objects. Each object in the array becomes a row in the CSV, and object properties become columns. Nested objects and arrays are flattened or stringified for CSV compatibility.

Can I convert nested JSON to CSV?

Yes, our converter handles nested JSON structures. Nested objects and arrays are flattened or converted to strings. Complex nested data may require manual adjustment after conversion for optimal CSV structure.

Is the CSV compatible with Excel?

Yes, the generated CSV files are compatible with Microsoft Excel, Google Sheets, LibreOffice Calc, and all standard spreadsheet applications that support CSV format.

Is my JSON data secure when using this tool?

Yes, all JSON to CSV conversion happens entirely in your browser using JavaScript. Your data never leaves your device, ensuring complete privacy and security.

What JSON format do I need?

You need a JSON array of objects. Each object becomes a CSV row, and object properties become columns. Example: [{"name": "John", "age": 30}, {"name": "Jane", "age": 25}].

What happens to nested objects?

Nested objects and arrays are typically flattened or converted to JSON strings in CSV. For complex nested structures, you may need to manually adjust the CSV after conversion.

Can I convert CSV back to JSON?

Yes, CSV can be converted back to JSON, but you'll lose nested structure information. Each CSV row becomes a flat JSON object. Use our CSV to JSON converter for reverse conversion.

Are special characters handled correctly?

Yes, our converter properly escapes special characters (commas, quotes, newlines) in CSV values by wrapping them in quotes, ensuring Excel and other applications read the CSV correctly.