CSV ↔ JSON Converter

Turn CSV into JSON and JSON into CSV, with delimiter detection and a table preview.

Everything you type is processed in your browser only — nothing is sent to or stored on a server.

Input

Output

The input format is detected automatically: input starting with [ or { is treated as JSON, anything else as CSV.

Delimiter First row is a header JSON shape Array of objects Array of arrays Convert numbers & booleans Indent Add BOM on download (Excel)

Preview