JSON to CSV

Convert JSON arrays to CSV format for spreadsheet import.

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JSON data does not open in Excel — CSV does

You pulled data from an API, a database export, or a config file and now you need it in a spreadsheet. JSON to CSV is the bridge. Paste your JSON array and get a clean CSV file back in seconds.

What it converts

Takes a JSON array of objects — the most common API response format — and converts it to comma-separated values with a header row. Each object key becomes a column, each object becomes a row.

When you need this

This comes up constantly with REST APIs. You get a JSON response and want to analyze the data in Excel or Google Sheets, but you cannot paste JSON into a spreadsheet. Also useful for database exports and sharing data with non-technical teammates.

Privacy

API responses often contain sensitive data. Processing it entirely in the browser means your data never touches a third-party server.

Frequently Asked Questions

What JSON format does it accept?

It expects a JSON array of objects. Nested objects and arrays are converted to their string representation.

Can I open the CSV in Excel?

Yes. Copy the output and save as a .csv file, or paste directly into Google Sheets.

What if my JSON objects have different keys?

The converter collects all unique keys across all objects and creates a column for each. Missing values become empty cells.

Does it handle nested JSON?

Nested objects and arrays are converted to string representation. For deep nesting, consider flattening your JSON first.

Is my data sent to a server?

No. All conversion happens in your browser. Your JSON data never leaves your device.