How do I convert JSON to CSV?

Paste a JSON array of objects in the left panel. The CSV output with auto-detected headers appears instantly. Click 'Copy Output' to copy or 'Load Example' to see a sample.

What JSON structure is required for CSV conversion?

The input must be a JSON array of objects where each object shares the same keys. Nested objects are flattened, and the first object's keys become the CSV column headers.

Is the JSON to CSV converter free?

Yes, completely free. The conversion runs entirely in your browser — no data is sent to any server, and no signup is required.

JSON to CSV Converter

Convert JSON array to CSV format instantly online. Free JSON to CSV converter. Handles nested objects, arrays of objects, and custom delimiters.

JSON Input

CSV Output

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How to Use the JSON to CSV Converter

Paste a JSON array of objects in the left panel.
CSV output with headers appears automatically.
Click "Copy Output" to copy the CSV to your clipboard.
Use "Load Example" to see a sample JSON array.
Click "Clear" to reset both panels.

Requirements

Input must be a JSON array (starts with [).
Each array item should be an object with consistent keys.
Column headers are derived from the keys of the first object.
Nested objects are serialized as strings.