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JSON to CSV

Turn a JSON array of objects into a downloadable CSV file ready for spreadsheets and data tools.

Best for:Exporting API data to spreadsheetsData analysis preparationSharing structured data
Privacy-first processingJSON parsing and CSV generation happen locally. No data leaves your browser during conversion.
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Guide

Usage, privacy, and related tools

Best for

  • Exporting API data to spreadsheets
  • Data analysis preparation
  • Sharing structured data

Privacy

JSON parsing and CSV generation happen locally. No data leaves your browser during conversion.

Quick tips

  • All objects in the array share a unified header row built from all unique keys.
  • Values containing the delimiter or quotes are quoted automatically.
  • Nested objects are serialized as strings; flatten complex JSON before converting.

How to use this tool

  1. Paste a JSON array of objects.
  2. Choose the output delimiter.
  3. Click Convert and download the CSV.

Common questions

Does the JSON need to be an array?

Yes. The tool expects an array of flat or semi-flat objects.

What happens if objects have different keys?

All unique keys across all objects become columns. Missing values are left blank.

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