Turn CSV into a spreadsheet

Typed columns and a frozen header row, so it opens as a usable sheet rather than raw text.

Drop a file here, or choose one.

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

Options

Coerce typesType numbers and booleans rather than leaving every cell as text.

Delimiter

Override the sniffed delimiter.

Sheet name

Name for the worksheet.

3 credits

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, 3 credits per call. See the endpoint reference.