What is JSON ↔ CSV?
JSON ↔ CSV is a free online converter that turns JSON arrays into CSV for Excel or Google Sheets, and CSV back into JSON for APIs and apps.
Convert JSON to CSV and CSV to JSON online. Handy for spreadsheets and APIs — free JSON CSV converter on Fah Swe Tools.
Key features
- JSON → CSV and CSV → JSON
- Header row detection
- Copy-ready output
- Private — nothing stored
Popular uses
- Open API data in Excel or Google Sheets
- Import spreadsheet data into an app
- Clean data exports
Also known as: JSON to CSV, CSV to JSON, JSON to Excel.
How it works
- Paste JSON or CSV.
- Choose direction.
- Copy the result.
FAQ
Nested JSON?
Objects/arrays in cells are JSON-stringified.
How do I open JSON in Excel?
Convert it to CSV here, then open or import the CSV in Excel.
What about nested JSON?
Flat arrays of objects convert best; deeply nested data may need flattening first.