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The JSON to CSV Converter takes a JSON array of objects (or a single object) and produces a delimited CSV file with auto-detected headers from object keys. Useful for data analysts pulling JSON from APIs into Excel, Google Sheets, or pandas. Handles nested objects (flattened with dot notation), arrays (joined with semicolon), null/undefined (empty cell), and configurable delimiters (comma, semicolon, tab).

Formel

CSV = headers + (each row joined by delimiter)

J: JSON Input (text) — JSON document

Steg-för-steg-guide

1Paste JSON array or object
2Choose delimiter (comma, semicolon, tab)
3Calculator validates JSON and outputs CSV with detected columns
4Copy result to clipboard or paste into spreadsheet

Lösta exempel

Ingång

[{"a":1,"b":2},{"a":3,"b":4}]

Resultat

a,b 1,2 3,4

Vanliga misstag att undvika

✕Trailing commas in JSON (invalid)
✕Inconsistent keys across objects

Vanliga frågor

What about nested arrays?

Nested arrays are joined with semicolons within a single cell. For complex nesting, normalize the JSON first.

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