Client-side
CSV / JSON Converter
Convert CSV to JSON or JSON back to CSV in your browser, with column headers mapped to object keys and copyable output.
What it does
- CSV to JSON with header-to-key mapping
- JSON to CSV round-trip conversion
- Toggle header row on or off
- Runs locally, no data leaves the browser
CSV rows map to JSON objects where column headers become property names — paste a table here for a round-trip conversion in either direction.