Question 1

Does the tool detect headers automatically?

Accepted Answer

Yes. By default the first row is treated as headers for CSV→JSON. You can switch to no-headers mode or customize which row contains headers.

Question 2

Can I change the delimiter?

Accepted Answer

Yes. Choose comma, semicolon, or tab — or set a custom delimiter. You can also control quote and escape characters.

Question 3

How are data types handled?

Accepted Answer

The schema preview attempts to infer numbers, booleans, dates, and nulls. You can turn inference off to keep everything as strings.

Question 4

Is my data uploaded to a server?

Accepted Answer

No. All conversions run locally in your browser. Nothing is stored or transmitted unless you export a file to your device.

Question 5

Can I flatten nested JSON for CSV export?

Accepted Answer

Yes. Enable flatten to convert nested objects/arrays into dot/bracket paths for CSV, and unflatten to reconstruct JSON from CSV later.

Toolzium

CSV ⇄ JSON