JSON to CSV Converter

Convert JSON arrays to CSV format instantly. Handles nested objects and custom delimiters.

100% Private Browser-Based Free Forever New Tool

const tool = {
  name: 'JSON to CSV Converter',
  type: 'browser-based',
  cost: free,
  privacy: true,
}

Convert JSON arrays to CSV format instantly. Handles nested objects and custom delimiters.

Full UI launching soon

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How to Use JSON to CSV Converter

Paste your JSON array

Choose delimiter (comma, semicolon, tab)

Download or copy the CSV output

Your data never leaves your browser. Nothing is uploaded to any server.

Modern browser APIs deliver results in milliseconds with no waiting.

No subscriptions, no credits, no paywalls — ever.

Does it handle nested JSON?

Top-level object arrays work perfectly. Nested objects are flattened with dot notation keys.

Can I choose the CSV delimiter?

Yes — comma, semicolon, tab and pipe delimiters are available.

Is Excel-compatible output produced?

Yes — the output is UTF-8 BOM encoded for correct Excel display.

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