JSON to CSV Converter

Bidirectional JSON ⇄ CSV conversion with nested object flattening, array handling, and drag-and-drop file support.

Conversion Options

Delimiter

Include Headers

Flatten Nested Objects

Join Arrays with |

JSON Data

Drop JSON file here

CSV Data

Drop CSV file here

JSON to CSV Converter: Edit either side and the other updates automatically (debounced 500ms). Supports drag-and-drop file uploads, nested object flattening (dot notation), and configurable delimiters. Arrays can be flattened to indexed keys or joined with a pipe character.