Is my JSON data safe?

Yes, all conversion happens entirely in your browser using JavaScript. Your data never leaves your device or gets sent to any server.

What JSON format does it support?

The tool expects a JSON array of objects, e.g. [{"name":"Alice"},{"name":"Bob"}]. Deeply nested objects are stringified into a single cell.

Can I change the delimiter?

Yes. Choose between comma, semicolon, or tab. Semicolons are useful for European Excel formats.

Is there a file size limit?

No server-side limit. Since conversion runs in your browser, limits depend only on your device memory. Typically handles millions of rows.

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JSON to CSV Converter

Convert JSON arrays to CSV format instantly. Download ready-to-use spreadsheets. Free, private, browser-based.

✅ Include Headers

Comma (,)

Semicolon (;)

Tab

JSON Input Array of Objects

CSV Output

JSON to CSV Converter — How It Works

This free tool converts a JSON array of objects into a properly formatted CSV (Comma-Separated Values) file. All keys from the first object are used as column headers. Nested objects are flattened to their string representation.

Cómo utilizar

Paste your JSON array in the left panel.
Choose your delimiter (comma, semicolon, or tab).
Toggle whether to include headers.
Hacer clic Convert to CSV.
Copy or download the CSV output.

Preguntas frecuentes

Yes — all conversion happens entirely in your browser using JavaScript. Your JSON data never leaves your device and is never sent to any server.

The tool expects a JSON array of flat objects, e.g. [{"a":1,"b":2},{"a":3,"b":4}]. Deeply nested objects are stringified into a single cell.

JSON to CSV Converter

JSON to CSV Converter — How It Works

Cómo utilizar

Preguntas frecuentes

Herramientas relacionadas

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JSON to CSV Converter

JSON to CSV Converter — How It Works

Cómo utilizar

Preguntas frecuentes

Is my data safe?

What JSON format is supported?

Herramientas relacionadas

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