Utility tools / CSV / JSON Converter

Data, in your format.

Convert tabular data with reliable quoting and clear controls.

01 / Convert structured dataReady

Same data. New format.

Delimiter

First row is a header

Duplicate / empty headers

Skip blank linesPretty-print JSON

CSV inputQuoted commas, multiline fields, escaped quotes, UTF-8 and BOM supported. All values remain strings.

Import a file

JSON outputChoose your settings and run the conversion.

Up to 2 million characters, 10,000 rows, 1,000 columns and 100,000 cells. Safe header renaming preserves every column. Turn headers off to get arrays and allow uneven rows.

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