Data conversion
🔁 CSV ↔ JSON Converter
Convert CSV into clean JSON or turn JSON arrays back into CSV in seconds. Perfect for quick API payloads, analytics exports, and spreadsheet clean-up.
Header awareDelimiter controlCopy & downloadFile upload
Matches both conversions
Paste or upload
CSV to JSON
Clean CSV is parsed with quoted values, newline-safe handling, and optional headers.
Output
JSON result
Paste or upload
JSON to CSV
Supports JSON arrays of objects or arrays. Missing keys stay blank to keep rows aligned.
Output
CSV result
Tips for clean conversions
- Keep column headers unique to avoid overwritten values.
- Use quotes in CSV for values containing commas, pipes, or new lines.
- JSON input should be an array:
[{...}, {...}]. - When converting arrays of arrays, headers auto-generate as column_1, column_2, etc.
Why this tool?
- Mobile-first layout with big tap targets.
- Round-trip ready: copy/paste between the two panels.
- File uploads for quick exports from spreadsheets or APIs.
- Delimiter and spacing controls keep output readable.