$ json --csv
json to csv converter.
Convert JSON arrays to CSV instantly. No uploads, no servers — everything runs here.
input
1
2
3
4
5
2
3
4
5
0 / ∞ chars
output
Nested objects are flattened using dot notation. For example, {"user": {"name": "Alice"}} becomes a column named user.name with value "Alice".
The converter scans all objects in the array and collects every unique key. Missing values are left empty.
Yes, the tool supports comma, semicolon, and tab delimiters. Choose the one that matches your target application.
learn more in our detailed guide.
→ read the guide