CSV ↔ JSON Converter
Convert between CSV and JSON formats with header detection
How to Use CSV ↔ JSON Converter
Convert CSV data to JSON arrays and back. Ideal for data migration, API testing, and spreadsheet data transformation.
- 1
Choose direction
Select CSV → JSON to parse spreadsheet data, or JSON → CSV to create downloadable data.
- 2
Paste your data
Paste CSV or JSON content. For CSV, toggle 'First row as header' for named fields.
- 3
Copy the result
Click Copy to use the converted data in your application or database.
Frequently Asked Questions
Does it detect headers automatically?
Yes, enable 'First row as header' to use the first CSV row as JSON property names.
Does it handle quoted fields?
Yes, the parser correctly handles quoted fields, escaped quotes, and fields containing commas.
What JSON format does it output?
CSV → JSON produces an array of objects (with headers) or an array of arrays (without headers).
Is this tool free?
Yes, completely free with no signup required. All conversion happens in your browser.