Paste a JSON array and convert it to a CSV file instantly. Browser-based — your data never leaves your device.
[{"name":"Alice","age":30}]) into the input box..csv file.The input must be a JSON array of objects (e.g. [{"a":1},{"a":2}]). All keys from all objects are collected as column headers. Missing keys produce empty cells.
Nested objects and arrays are stringified as JSON text in the cell. If you need flat columns from nested data, flatten your JSON before converting.
No — conversion happens entirely in your browser using JavaScript. Your JSON data never leaves your device.