JSON to CSV Converter
Convert JSON object rows into CSV locally, with commas, quotes, and newlines escaped for spreadsheet-friendly output.
JSON input
Paste a JSON object or array of objects
CSV output
Converted CSV output
Paste a JSON object or object array, then convert it to CSV.
Sample input and expected output
Input [{"name":"Ada","note":"ready, now"}] becomes CSV with a name,note header and a quoted comma field.
Validation behavior
JSON must be one object or an array of objects. Primitive arrays and malformed JSON return an error instead of output.
What this JSON to CSV does
Use this JSON to CSV converter to turn JSON objects or arrays of objects into comma-separated rows. It is helpful for moving API data into spreadsheets, reports, or lightweight QA checks.
When developers use it
- Convert JSON arrays into CSV for spreadsheet review.
- Export object fields from API responses into a tabular format.
- Create CSV fixtures with properly escaped commas, quotes, and line breaks.
Privacy, input, and output
Conversion runs locally in the browser and does not upload JSON to a backend.
Paste a JSON object or array of objects. The converter collects object keys as headers and emits escaped CSV rows.
Validation rules and limitations
- Best results come from flat objects; nested objects are serialized as JSON strings in cells.
- Input must be valid JSON.