CSV to JSON Converter

Convert CSV data into JSON format directly in your browser.

Delimiter First row is header

CSV Input

JSON Output

Runs entirely in your browser — your data is never uploaded to a server. Numeric, boolean and empty values are automatically typed (e.g. "42" becomes a number); uncheck "First row is header" to treat every row as data, with columns named column1, column2, etc.

Frequently Asked Questions

Yes — the parser correctly handles quoted fields containing the delimiter, embedded newlines, and escaped double-quotes, following standard CSV conventions.

Uncheck "First row is header" and columns will be automatically named column1, column2, etc.

Yes — empty values become null, true/false become booleans, and numeric-looking values become numbers. Values like leading-zero codes may be affected by this, so double-check the output for that kind of data.