A CSV export is useful for a flat table, but it cannot represent every JSON structure without a deliberate flattening rule.
Confirm that the input is an array…
Confirm that the input is an array of records and decide what to do with nested objects. Serializing a nested object into one cell preserves text but may not be convenient for analysis.
Use a stable field order and keep…
Use a stable field order and keep the header row explicit. Missing fields should be represented consistently rather than silently shifting columns.
Review formula-like values before opening a CSV…
Review formula-like values before opening a CSV in a spreadsheet program. A data export should not accidentally become executable spreadsheet content.
Use the related tool carefully
This guide is paired with a browser-only utility. The tool is a practical aid for small examples and inspection; it is not a substitute for application testing, a formal data pipeline, or professional review where the decision has higher consequences.
Open the related JSON to CSV Converter