JSON to CSV Converter

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About this Tool

Convert a JSON array of objects into CSV (Comma-Separated Values) format. The keys from the first object in the array are used as the CSV headers. This tool helps export structured data to spreadsheets or simple storage.

How does it work? It extracts keys from first object, then for each object, joins values with commas, quoting as needed.

  1. Paste your JSON array into the input area.
  2. The CSV output will be generated automatically.
  3. You can copy the result or download it as a .csv file.
  • Exporting API data to Excel.
  • Generating reports from JS objects.
  • Migrating data to CSV-based tools.
  • Handles conversion from a JSON array of objects.
  • Automatically uses keys from the first object as headers.
  • Correctly quotes fields containing commas or newlines.
  • Option to download the result as a .csv file.

Reverse of CSV to JSON, flattening objects to rows. Ensures consistency by using union of keys if varying.

What if objects have different keys?

Uses all unique keys, filling missing with empty.

Nested objects?

Flattens or skips; basic flat objects best.

Download format?

UTF-8 CSV.

All calculations and data processing for this tool are performed locally in your browser. We do not send any of your data to our servers, ensuring your information remains private and secure.