JSON to CSV Converter Online Free — Export Arrays to Spreadsheet
Convert JSON arrays to CSV online with live row counts, headers from keys, and CSV → JSON round-trip. Free, private, no upload.
Convert JSON to CSV online free →
API responses and database exports often arrive as JSON arrays of objects. Spreadsheets, BI tools, and finance teams expect CSV. Converting locally avoids uploading sensitive customer or financial data to third-party converters.
How to convert JSON to CSV online
- Paste a JSON array of flat objects — e.g. [{"name":"Ada","role":"eng"}]
- Column headers are derived automatically from object keys
- CSV output updates live as you edit the JSON
- Copy the result or open in Excel / Google Sheets
JSON → CSV tips
- Each object should share the same keys for clean columns
- Nested objects may need flattening before conversion
- Quoted fields handle commas inside values correctly
- Use the row count badge to verify record totals
CSV ↔ JSON workbench
- JSON → CSV and CSV → JSON tabs on one page
- Round-trip button sends output to the reverse tab
- Shareable links for team debugging
- 100% client-side — nothing uploaded