What is this tool?
CSV is convenient for spreadsheets and exports, while JSON is common in APIs and applications. Converting between them helps bridge data workflows.
How to use it
For CSV to JSON, the first row is used as property names. For JSON to CSV, enter an array of objects.
Privacy
This tool is designed to process your input locally in the browser. Avoid entering passwords, private keys, or other sensitive production data into any online tool.
Frequently asked questions
Are quoted commas supported?
Yes. The parser supports quoted fields and escaped double quotes.
Can I convert nested JSON?
Nested values are serialized, but deeply nested data may require custom transformation.