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JSON to CSV

Convert JSON arrays or objects into CSV with custom delimiter, headers, nested flattening, preview, copy and download.

JSON to CSV Tool

Convert JSON arrays or objects into CSV format with flattening, custom delimiter, preview, copy and download.

JSON → CSV
This tool works best with JSON arrays of objects. Nested objects can be flattened into columns like user.name or converted as JSON strings.

JSON Input Settings

Optional. You can also paste JSON below.
Leave empty to auto-detect all columns. Use comma-separated field names.
0 Rows
0 Columns
0 KB CSV Size
- JSON Type

CSV Output

Conversion Report

Data Preview

No preview yet. Paste JSON and click Convert.

About This Tool

JSON to CSV is a free online data tool that converts JSON data into CSV format.

You can paste JSON data or upload a JSON file, choose delimiter, include or remove headers, flatten nested objects, stringify nested values, choose quote mode and set custom header order. The tool supports JSON arrays of objects, single JSON objects and object values.

It shows row count, column count, CSV size, JSON type, data preview and conversion report. You can copy the CSV, download CSV, copy the report or download the source JSON.

This tool is useful for developers, students, data analysts, spreadsheet users, API testing, database import preparation and anyone who needs to convert JSON into CSV quickly.

How to Use JSON to CSV

1. Paste JSON data or upload a JSON file.
2. Choose CSV delimiter such as comma, semicolon, tab, pipe or custom delimiter.
3. Choose whether to include headers.
4. Choose how nested objects should be handled.
5. Optionally enter custom header order.
6. Click Convert.
7. Review the CSV output and preview table.
8. Copy or download the CSV file.

Privacy Note: This JSON to CSV Tool works directly in your browser using JavaScript. The JSON data you paste or upload is processed on the page and is not submitted through a form by this tool.

Frequently Asked Questions

Is this JSON to CSV Converter free?

Yes. This JSON to CSV Converter is free to use and does not require signup.

Can I upload a JSON file?

Yes. You can upload a JSON or TXT file, and the tool will read it directly in your browser.

Does it support nested JSON?

Yes. You can flatten nested objects into columns such as profile.city, or stringify nested values into one CSV cell.

Can I choose semicolon or tab delimiter?

Yes. You can choose comma, semicolon, tab, pipe or custom delimiter.

Can I download the CSV result?

Yes. After conversion, you can copy the CSV or download it as a CSV file.

Does this tool upload my JSON data to the server?

No. The JSON conversion is done directly in your browser using JavaScript and the page does not submit your data through a form.