CSV vs JSON
CSV is a table. JSON is a tree. Converting between them is honest only when you accept nested values as strings or keep the data flat.
Keep CSV for spreadsheets and flat exports. Keep JSON for nested documents and APIs. ConvertPass will not auto-flatten nested JSON into invented columns.
| Topic | CSV | JSON |
|---|---|---|
| Structure | Rows and columns. Nesting has to be packed into a cell. | Objects and arrays nest naturally. |
| Types | Everything is text until a spreadsheet guesses. | Strings, numbers, booleans, null — still no dates. |
| Quoting | The whole game. Commas and line breaks need RFC 4180 quoting. | Escapes inside strings. No dialect war quite like CSV. |
| Humans | Excel users live here. | Developers live here. |
Related tools
- CSV to JSON
Parse real CSV into JSON without breaking on commas inside quotes.
- JSON to CSV
Turn a JSON array into CSV without dropping nested values on the floor.
Related formats
Last reviewed 16 August 2026.