Question 1

What input format is supported?

Accepted Answer

An array of flat or nested JSON objects, e.g. [{"name":"A","age":20}].

Question 2

Does it flatten nested objects?

Accepted Answer

Yes — nested fields are flattened with dot notation (e.g. user.name).

Question 3

How do I convert online free?

Accepted Answer

Pick the from and to units above and the result appears instantly. Free, no sign-up, works on mobile.

Question 4

Which units are supported?

Accepted Answer

All common units are supported. Choose from the dropdowns above for an instant free conversion.

Question 5

Is the conversion instant?

Accepted Answer

Yes. Results appear live as you type, with no sign-up and no page reload.

Question 6

Is this JSON to CSV Converter free?

Accepted Answer

Yes, completely free with no sign-up. Use it unlimited times online on any device.