TOOLGENIEJSON to CSV — Convert JSON to CSV Online
Convert JSON to CSV in your browser. Paste a JSON array or object, flatten nested fields into columns, then copy or download a spreadsheet-ready file. Need the other direction? Use the JSON ↔ CSV converter.
CSV output
How to Convert JSON to CSV
- Validate messy input in the JSON validator if needed.
- Paste a JSON array of objects, or upload a .json file.
- Pick a delimiter and decide whether to flatten nested fields.
- Copy the CSV or download it for Excel or Google Sheets.
About This JSON to CSV Tool
This page converts JSON to CSV in one direction. For CSV back to JSON, use the JSON ↔ CSV converter. Create or clean the source file in the JSON editor.
Frequently Asked Questions (FAQ)
How do I convert JSON to CSV online?
Paste JSON and the CSV appears immediately. Copy it or download a .csv file.
Does this tool flatten nested JSON?
Yes. Nested objects become dot-notation columns such as address.city.
Can I convert CSV back to JSON?
Not on this page. Use the bidirectional converter.
What JSON shape works best for CSV?
An array of objects. Each object becomes one row.
Is my JSON uploaded when I convert to CSV?
No. Conversion is client-side. Invalid JSON shows the error line.
Tips for Clean JSON to CSV Exports
- Use semicolon if your Excel locale treats comma as a decimal separator.
- Keep IDs like 007 as text after import so spreadsheets do not drop zeros.
- Compare two exports with the text diff checker after a conversion.