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Alona Tool – Free Online Tools

JSON to CSV Converter

Runs in Your Browser

Paste a JSON array of objects and instantly flatten it into standard CSV rows and columns, ready to paste into Excel, Google Sheets, or Alona Tool Excel Editor.

Browser-based: this tool works on your device and does not send your input to an Alona Tool server. See the Privacy Policy for details.
Fast Processing

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Example Usage & Test Cases

API Response
Input Scenario:
[{"id":1,"name":"Alice"}]
Generated Result:
id,name\n1,Alice

How It Works

1

Parses and validates the pasted JSON array of objects.

2

Collects every unique key across all objects to build consistent CSV column headers.

3

Escapes commas and quotes correctly to produce a standards-compliant CSV file.

Frequently Asked Questions

Missing fields are simply left blank in that row of the CSV so your column structure stays consistent.

Related Tools

Free Online JSON to CSV Converter

Turn API responses, database exports, and nested JSON records into clean CSV rows you can drop straight into a spreadsheet.

Alona Tool JSON to CSV Converter runs entirely in your browser, so your data is not uploaded to an Alona Tool server.

Key Highlights:

  • Auto-detects all object keys as columns
  • Handles missing fields gracefully
  • One-click copy or download
  • Runs in your browser