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JSON to CSV Converter

Convert an array of JSON objects into a proper CSV file with a header row derived from your keys. This is the fastest way to move data out of an API response and into a spreadsheet, a BI tool or a bulk database import. The converter collects every unique key across all objects so no column is lost, quotes values that contain commas, quotes or newlines, and escapes embedded quotes correctly so the CSV opens cleanly in Excel and Google Sheets. Paste a JSON array of objects, click convert, and copy or read the CSV output. All parsing and formatting happens in your browser, so your data stays private and nothing is ever sent to a server.

How to use JSON to CSV

  1. Paste a JSON array of objects.
  2. Click convert to build the CSV.
  3. Copy the CSV or import it into your spreadsheet.

Frequently asked questions

What JSON shape does this expect?

It expects an array of objects, where each object becomes a row and the object keys become the CSV column headers.

How are commas and quotes inside values handled?

Fields that contain commas, quotes or line breaks are wrapped in double quotes and internal quotes are doubled, following standard CSV escaping.

What if objects have different keys?

The header row is built from the keys found across the objects, and missing values are left as empty cells in that row.

What is JSON to CSV?

Convert an array of JSON objects into a proper CSV file with a header row derived from your keys. This is the fastest way to move data out of an API response and into a spreadsheet, a BI tool or a bulk database import.

Is JSON to CSV free to use?

Yes. JSON to CSV is completely free, with no sign-up and no usage limits.

Does JSON to CSV work in a web browser?

Yes. JSON to CSV runs in any modern web browser. There is nothing to download or install.

Is my data private with JSON to CSV?

Yes. JSON to CSV runs entirely on your device in your browser, so nothing you enter is uploaded to a server.

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