Free browser utility
JSON to CSV Converter
Nested objects and arrays are preserved as compact JSON strings inside individual CSV cells.
✓ Local processing✓ No registration✓ No file upload
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Before
[{"name":"Ana","age":30}]→
After
name,age\nAna,30
How to use JSON to CSV Converter
- Paste text or select local files in the tool area.
- Choose any options that match the source data.
- Run the conversion or repair and review the preview.
- Copy the result or download the generated file.
Privacy and local processing
This project performs processing, document generation or calculations in your browser. The page does not include an upload endpoint, analytics script or remote processing API call. Avoid pasting sensitive data into websites you do not control.
Frequently asked questions
What JSON shape is required?
The input should be an array. Primitive values are placed in a value column; object keys become headers.
Are commas and quotes escaped?
Yes. CSV cells are quoted when required and embedded quotes are doubled.