Nested data handled
Flatten nested objects into dot-separated columns while preserving arrays as readable JSON.
Developer tools / Data conversion
JSON to CSV Converter
Turn JSON objects into clean, spreadsheet-ready CSV with nested fields flattened automatically.
Delimiter
JSON inputReady to convert
CSV preview
| id | name | active | profile.city | profile.role | skills |
|---|---|---|---|---|---|
| 101 | Ada | true | London | Engineer | ["JSON","APIs"] |
| 102 | Lin | false | Shanghai | Analyst | ["SQL","CSV"] |
Processed locally2 rows · 6 columns
Spreadsheet ready
Values are escaped correctly and downloads include UTF-8 support for international text.
Private by design
Conversion happens inside your browser, so sensitive data never reaches our servers.
How to convert JSON to CSV
- 1. Add JSON. Paste an array of objects or open a local JSON file.
- 2. Review columns. Choose a delimiter and decide whether to flatten nested objects.
- 3. Export. Copy the generated CSV or download it for Excel, Sheets, or another data tool.