Turn a spreadsheet into JSON

Delimiters are detected, headers are used as keys, and numbers become numbers rather than strings.

Drop a file here, or choose one, or type below.

.csv · .txt · up to 4 MB · processed in memory and never stored · or paste with ⌘V

Or type it in

Options

HeaderTreat the first row as column names.Coerce typesTurn numbers, booleans and blanks into JSON types.

Delimiter

Override the sniffed delimiter.

1 credit

Doing this a lot?

Same tool, as an API.

This page calls exactly the same code you would from your own program — no daily cap, 1 credit per call. See the endpoint reference.