Does it auto-detect the delimiter?

Yes. PapaParse auto-detects comma, semicolon, tab, and pipe delimiters.

Can I paste CSV text directly?

Yes. Use the 'Paste CSV' tab to input text directly.

Yes. Type detection converts numeric and boolean strings to their proper JSON types.

Quoted fields are fully supported per the RFC 4180 CSV specification.

Pro and Business users can configure header transformation (lowercase, camelCase, snake_case) in the options panel.

SPREADSHEET

Transform CSV data into structured JSON instantly — auto-detects headers, handles delimiters, processes entirely in your browser.

Files never uploadedInstant conversionNo account needed

Loading converter…