JSON to CSV Converter Online
Paste a JSON array of objects and get a CSV table with a header row built from the union of all keys. It is the fastest way to move API output into a spreadsheet.
Runs in your browser — your text is never uploaded or stored.
JSON array
CSV output
How to Use
- 1.Paste a JSON array of objects.
- 2.Review the generated CSV, including its header row.
- 3.Copy it into a .csv file and open it in Excel or Sheets.
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FAQ
What if objects have different keys?
The header row is the union of every key found, and missing values are written as empty cells.
Are nested objects supported?
Nested values are serialised as JSON text inside the cell. Flatten your data first if you need separate columns.
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CSV ↔ JSON Converter
Free online CSV to JSON and JSON to CSV converter. Paste CSV rows or a JSON array of objects and get instant, well-formatted output. Runs in your browser.