JSON to CSV Converter

JSON to CSV converter helps you quickly convert JSON data into CSV format for easy use in spreadsheets, databases, and data analysis tools. This free online tool is ideal for developers and analysts who need to transform structured JSON objects or arrays into a clean, comma-separated values file. Simple, fast, and secure.

INPUT JSON
CSV OUTPUT

1 How to use this tool

  1. Paste your JSON data into the Input JSON editor on the left.
  2. Or use the Upload button to load a file from your computer.
  3. Select your desired Separator (Comma, Tab, etc.) from the dropdown.
  4. The tool will automatically convert your JSON into CSV format.
  5. Click Copy or Download to get your CSV file.

2 Example

Input JSON

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[
    {
        "id": 1,
        "name": "John Doe",
        "email": "[email protected]",
        "roles": ["admin", "editor"],
        "active": true
    },
    {
        "id": 2,
        "name": "Jane Smith",
        "email": "[email protected]",
        "roles": ["user"],
        "active": false
    }
]

CSV Output

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id,name,email,roles,active
1,John Doe,[email protected],"[""admin"",""editor""]",true
2,Jane Smith,[email protected],"[""user""]",false

3 Benefits of using this tool

Data Analysis

Easily convert nested JSON data into flat CSV tables for analysis in Excel, Google Sheets, or Numbers.

Database Import

Prepare JSON datasets for bulk import into SQL databases (MySQL, PostgreSQL) which often prefer CSV.

Reporting

Generate standard CSV reports from complex API responses or server log files.

Legacy Interoperability

Bridge the gap between modern JSON-based web APIs and legacy systems requiring CSV input.

4 Privacy and Security

This tool operates entirely in your browser. Your data is processed locally using JavaScript and is never sent to any external server. You can safely use this tool with sensitive configuration data or internal API responses without worrying about data leaks.

5 Common Errors

  • Inconsistent Keys

    If objects in your list have different keys, the CSV header will contain all unique keys, leaving some cells empty for objects missing those keys.

  • Nested Objects

    CSV is a flat format. Nested objects (objects inside objects) will be stringified in the cell, which might require extra parsing in your spreadsheet tool.

6 FAQ

How are nested objects handled?

Nested objects and arrays are stringified and placed within a single CSV cell to maintain the table structure. This ensures no data is lost.

Can I use a custom delimiter?

Yes, select "Custom" in the separator dropdown to define any character sequence as your column delimiter.

Related Tools

Need to convert CSV back to JSON? Use our CSV to JSON converter.

For more advanced spreadsheet options, try our JSON to Excel converter.

To clean and format your JSON data before conversion, use the JSON Formatter.

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