JSON to CSV converter
Turn an array of JSON objects into a CSV table, nested keys flattened.
JSON
CSV
Runs locally in your browser. Nothing is uploaded.
How to use
- Paste a JSON array of objects.
- Choose the delimiter (comma for Excel US, semicolon for Excel in Europe).
- Copy or download the CSV.
Questions
How are nested objects handled?
Keys are flattened with dots: {"a":{"b":1}} becomes a column named a.b. Arrays are written as JSON strings.