CSV Converter

JSON to CSV Converter

Convert JSON arrays into spreadsheet-friendly CSV, or rebuild JSON records from CSV rows. The converter runs locally in your browser, so pasted data is not uploaded to a server.

JSON to CSVCSV to JSONLocal processing

When JSON to CSV works best

Array of objects

CSV is most useful when your JSON is an array of similar objects, such as users, orders, products, wallet records, logs, or API result rows.

Headers from keys

The converter uses object keys as CSV column headers. Missing values remain blank so rows can still line up in spreadsheet tools.

Safe cell escaping

Commas, quotes, and line breaks are escaped so text stays inside the correct CSV cell instead of breaking the table.

CSV to JSON

Header row required

CSV to JSON uses the first row as object property names. Each following row becomes one JSON object.

Formatted JSON output

The result is a readable JSON array that you can copy, download, format, or pass into other JSON Toolkit tools.

Nested JSON values

Objects and arrays

Nested objects and arrays can be preserved inside a CSV cell as JSON text. This avoids silently dropping data from complex API responses.

Review before use

If your data is deeply nested, CSV may not be the best final format. Review the output before importing it into Excel, Google Sheets, or a database.

Private conversion workflow

Paste data

Paste JSON or CSV into the converter page. You do not need an account.

Choose direction

Select JSON to CSV for spreadsheet export, or CSV to JSON for structured records.

Copy or download

Copy the converted result or download it as a CSV or JSON file.

Need to move JSON into a spreadsheet?

Open JSON Toolkit and use the CSV Converter from the sidebar.